chiark / gitweb /
udev: fixup commit dd5eddd28a74a49607a8fffcaf960040dba98479
[elogind.git] / src / udev / udev-rules.c
index f793e57712266429f3c1e7903c11d964daca34f0..cc562156fa693f693983cbdc01f9932619030512 100644 (file)
@@ -46,9 +46,14 @@ struct uid_gid {
         };
 };
 
+static const char* const rules_dirs[] = {
+        "/etc/udev/rules.d",
+        "/run/udev/rules.d",
+        UDEVLIBEXECDIR "/rules.d",
+        NULL};
+
 struct udev_rules {
         struct udev *udev;
-        char **dirs;
         usec_t dirs_ts_usec;
         int resolve_names;
 
@@ -132,7 +137,6 @@ enum token_type {
         TK_M_PARENTS_MAX,
 
         TK_M_TEST,                      /* val, mode_t */
-        TK_M_EVENT_TIMEOUT,             /* int */
         TK_M_PROGRAM,                   /* val */
         TK_M_IMPORT_FILE,               /* val */
         TK_M_IMPORT_PROG,               /* val */
@@ -196,7 +200,6 @@ struct token {
                                 uid_t uid;
                                 gid_t gid;
                                 int devlink_prio;
-                                int event_timeout;
                                 int watch;
                                 enum udev_builtin_cmd builtin_cmd;
                         };
@@ -213,8 +216,7 @@ struct rule_tmp {
 };
 
 #ifdef DEBUG
-static const char *operation_str(enum operation_type type)
-{
+static const char *operation_str(enum operation_type type) {
         static const char *operation_strs[] = {
                 [OP_UNSET] =            "UNSET",
                 [OP_MATCH] =            "match",
@@ -229,8 +231,7 @@ static const char *operation_str(enum operation_type type)
         return operation_strs[type];
 }
 
-static const char *string_glob_str(enum string_glob_type type)
-{
+static const char *string_glob_str(enum string_glob_type type) {
         static const char *string_glob_strs[] = {
                 [GL_UNSET] =            "UNSET",
                 [GL_PLAIN] =            "plain",
@@ -243,8 +244,7 @@ static const char *string_glob_str(enum string_glob_type type)
         return string_glob_strs[type];
 }
 
-static const char *token_str(enum token_type type)
-{
+static const char *token_str(enum token_type type) {
         static const char *token_strs[] = {
                 [TK_UNSET] =                    "UNSET",
                 [TK_RULE] =                     "RULE",
@@ -270,7 +270,6 @@ static const char *token_str(enum token_type type)
                 [TK_M_PARENTS_MAX] =            "M PARENTS_MAX",
 
                 [TK_M_TEST] =                   "M TEST",
-                [TK_M_EVENT_TIMEOUT] =          "M EVENT_TIMEOUT",
                 [TK_M_PROGRAM] =                "M PROGRAM",
                 [TK_M_IMPORT_FILE] =            "M IMPORT_FILE",
                 [TK_M_IMPORT_PROG] =            "M IMPORT_PROG",
@@ -309,8 +308,7 @@ static const char *token_str(enum token_type type)
         return token_strs[type];
 }
 
-static void dump_token(struct udev_rules *rules, struct token *token)
-{
+static void dump_token(struct udev_rules *rules, struct token *token) {
         enum token_type type = token->type;
         enum operation_type op = token->key.op;
         enum string_glob_type glob = token->key.glob;
@@ -324,7 +322,7 @@ static void dump_token(struct udev_rules *rules, struct token *token)
                         const char *tk_ptr = (char *)token;
                         unsigned int idx = (tk_ptr - tks_ptr) / sizeof(struct token);
 
-                        log_debug("* RULE %s:%u, token: %u, count: %u, label: '%s'\n",
+                        log_debug("* RULE %s:%u, token: %u, count: %u, label: '%s'",
                                   &rules->buf[token->rule.filename_off], token->rule.filename_line,
                                   idx, token->rule.token_count,
                                   &rules->buf[token->rule.label_off]);
@@ -356,77 +354,73 @@ static void dump_token(struct udev_rules *rules, struct token *token)
         case TK_A_MODE:
         case TK_A_RUN_BUILTIN:
         case TK_A_RUN_PROGRAM:
-                log_debug("%s %s '%s'(%s)\n",
+                log_debug("%s %s '%s'(%s)",
                           token_str(type), operation_str(op), value, string_glob_str(glob));
                 break;
         case TK_M_IMPORT_BUILTIN:
-                log_debug("%s %i '%s'\n", token_str(type), token->key.builtin_cmd, value);
+                log_debug("%s %i '%s'", token_str(type), token->key.builtin_cmd, value);
                 break;
         case TK_M_ATTR:
         case TK_M_ATTRS:
         case TK_M_ENV:
         case TK_A_ATTR:
         case TK_A_ENV:
-                log_debug("%s %s '%s' '%s'(%s)\n",
+                log_debug("%s %s '%s' '%s'(%s)",
                           token_str(type), operation_str(op), attr, value, string_glob_str(glob));
                 break;
         case TK_M_TAG:
         case TK_A_TAG:
-                log_debug("%s %s '%s'\n", token_str(type), operation_str(op), value);
+                log_debug("%s %s '%s'", token_str(type), operation_str(op), value);
                 break;
         case TK_A_STRING_ESCAPE_NONE:
         case TK_A_STRING_ESCAPE_REPLACE:
         case TK_A_DB_PERSIST:
-                log_debug("%s\n", token_str(type));
+                log_debug("%s", token_str(type));
                 break;
         case TK_M_TEST:
-                log_debug("%s %s '%s'(%s) %#o\n",
+                log_debug("%s %s '%s'(%s) %#o",
                           token_str(type), operation_str(op), value, string_glob_str(glob), token->key.mode);
                 break;
         case TK_A_INOTIFY_WATCH:
-                log_debug("%s %u\n", token_str(type), token->key.watch);
+                log_debug("%s %u", token_str(type), token->key.watch);
                 break;
         case TK_A_DEVLINK_PRIO:
-                log_debug("%s %u\n", token_str(type), token->key.devlink_prio);
+                log_debug("%s %u", token_str(type), token->key.devlink_prio);
                 break;
         case TK_A_OWNER_ID:
-                log_debug("%s %s %u\n", token_str(type), operation_str(op), token->key.uid);
+                log_debug("%s %s %u", token_str(type), operation_str(op), token->key.uid);
                 break;
         case TK_A_GROUP_ID:
-                log_debug("%s %s %u\n", token_str(type), operation_str(op), token->key.gid);
+                log_debug("%s %s %u", token_str(type), operation_str(op), token->key.gid);
                 break;
         case TK_A_MODE_ID:
-                log_debug("%s %s %#o\n", token_str(type), operation_str(op), token->key.mode);
+                log_debug("%s %s %#o", token_str(type), operation_str(op), token->key.mode);
                 break;
         case TK_A_STATIC_NODE:
-                log_debug("%s '%s'\n", token_str(type), value);
+                log_debug("%s '%s'", token_str(type), value);
                 break;
         case TK_A_SECLABEL:
-                log_debug("%s %s '%s' '%s'\n", token_str(type), operation_str(op), attr, value);
-                break;
-        case TK_M_EVENT_TIMEOUT:
-                log_debug("%s %u\n", token_str(type), token->key.event_timeout);
+                log_debug("%s %s '%s' '%s'", token_str(type), operation_str(op), attr, value);
                 break;
         case TK_A_GOTO:
-                log_debug("%s '%s' %u\n", token_str(type), value, token->key.rule_goto);
+                log_debug("%s '%s' %u", token_str(type), value, token->key.rule_goto);
                 break;
         case TK_END:
-                log_debug("* %s\n", token_str(type));
+                log_debug("* %s", token_str(type));
                 break;
         case TK_M_PARENTS_MIN:
         case TK_M_PARENTS_MAX:
         case TK_M_MAX:
         case TK_UNSET:
-                log_debug("unknown type %u\n", type);
+                log_debug("unknown type %u", type);
                 break;
         }
 }
 
-static void dump_rules(struct udev_rules *rules)
-{
+static void dump_rules(struct udev_rules *rules) {
         unsigned int i;
 
-        log_debug("dumping %u (%zu bytes) tokens, %u (%zu bytes) strings\n",
+        log_debug("dumping %u (%zu bytes) tokens, %u (%zu bytes) strings",
                   rules->token_cur,
                   rules->token_cur * sizeof(struct token),
                   rules->buf_count,
@@ -435,14 +429,11 @@ static void dump_rules(struct udev_rules *rules)
                 dump_token(rules, &rules->tokens[i]);
 }
 #else
-static inline const char *operation_str(enum operation_type type) { return NULL; }
-static inline const char *token_str(enum token_type type) { return NULL; }
 static inline void dump_token(struct udev_rules *rules, struct token *token) {}
 static inline void dump_rules(struct udev_rules *rules) {}
 #endif /* DEBUG */
 
-static int add_token(struct udev_rules *rules, struct token *token)
-{
+static int add_token(struct udev_rules *rules, struct token *token) {
         /* grow buffer if needed */
         if (rules->token_cur+1 >= rules->token_max) {
                 struct token *tokens;
@@ -464,8 +455,7 @@ static int add_token(struct udev_rules *rules, struct token *token)
         return 0;
 }
 
-static uid_t add_uid(struct udev_rules *rules, const char *owner)
-{
+static uid_t add_uid(struct udev_rules *rules, const char *owner) {
         unsigned int i;
         uid_t uid;
         unsigned int off;
@@ -505,8 +495,7 @@ static uid_t add_uid(struct udev_rules *rules, const char *owner)
         return uid;
 }
 
-static gid_t add_gid(struct udev_rules *rules, const char *group)
-{
+static gid_t add_gid(struct udev_rules *rules, const char *group) {
         unsigned int i;
         gid_t gid;
         unsigned int off;
@@ -546,8 +535,7 @@ static gid_t add_gid(struct udev_rules *rules, const char *group)
         return gid;
 }
 
-static int import_property_from_string(struct udev_device *dev, char *line)
-{
+static int import_property_from_string(struct udev_device *dev, char *line) {
         char *key;
         char *val;
         size_t len;
@@ -595,7 +583,7 @@ static int import_property_from_string(struct udev_device *dev, char *line)
         /* unquote */
         if (val[0] == '"' || val[0] == '\'') {
                 if (val[len-1] != val[0]) {
-                        log_debug("inconsistent quoting: '%s', skip\n", line);
+                        log_debug("inconsistent quoting: '%s', skip", line);
                         return -1;
                 }
                 val[len-1] = '\0';
@@ -610,8 +598,7 @@ static int import_property_from_string(struct udev_device *dev, char *line)
         return 0;
 }
 
-static int import_file_into_properties(struct udev_device *dev, const char *filename)
-{
+static int import_file_into_properties(struct udev_device *dev, const char *filename) {
         FILE *f;
         char line[UTIL_LINE_SIZE];
 
@@ -624,8 +611,9 @@ static int import_file_into_properties(struct udev_device *dev, const char *file
         return 0;
 }
 
-static int import_program_into_properties(struct udev_event *event, const char *program, const sigset_t *sigmask)
-{
+static int import_program_into_properties(struct udev_event *event,
+                                          usec_t timeout_usec,
+                                          const char *program, const sigset_t *sigmask) {
         struct udev_device *dev = event->dev;
         char **envp;
         char result[UTIL_LINE_SIZE];
@@ -633,7 +621,7 @@ static int import_program_into_properties(struct udev_event *event, const char *
         int err;
 
         envp = udev_device_get_properties_envp(dev);
-        err = udev_event_spawn(event, program, envp, sigmask, result, sizeof(result));
+        err = udev_event_spawn(event, timeout_usec, program, envp, sigmask, result, sizeof(result));
         if (err < 0)
                 return err;
 
@@ -652,8 +640,7 @@ static int import_program_into_properties(struct udev_event *event, const char *
         return 0;
 }
 
-static int import_parent_into_properties(struct udev_device *dev, const char *filter)
-{
+static int import_parent_into_properties(struct udev_device *dev, const char *filter) {
         struct udev_device *dev_parent;
         struct udev_list_entry *list_entry;
 
@@ -678,8 +665,7 @@ static int import_parent_into_properties(struct udev_device *dev, const char *fi
 }
 
 #define WAIT_LOOP_PER_SECOND                50
-static int wait_for_file(struct udev_device *dev, const char *file, int timeout)
-{
+static int wait_for_file(struct udev_device *dev, const char *file, int timeout) {
         char filepath[UTIL_PATH_SIZE];
         char devicepath[UTIL_PATH_SIZE];
         struct stat stats;
@@ -698,23 +684,22 @@ static int wait_for_file(struct udev_device *dev, const char *file, int timeout)
 
                 /* lookup file */
                 if (stat(file, &stats) == 0) {
-                        log_debug("file '%s' appeared after %i loops\n", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1);
+                        log_debug("file '%s' appeared after %i loops", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1);
                         return 0;
                 }
                 /* make sure, the device did not disappear in the meantime */
                 if (devicepath[0] != '\0' && stat(devicepath, &stats) != 0) {
-                        log_debug("device disappeared while waiting for '%s'\n", file);
+                        log_debug("device disappeared while waiting for '%s'", file);
                         return -2;
                 }
-                log_debug("wait for '%s' for %i mseconds\n", file, 1000 / WAIT_LOOP_PER_SECOND);
+                log_debug("wait for '%s' for %i mseconds", file, 1000 / WAIT_LOOP_PER_SECOND);
                 nanosleep(&duration, NULL);
         }
-        log_debug("waiting for '%s' failed\n", file);
+        log_debug("waiting for '%s' failed", file);
         return -1;
 }
 
-static int attr_subst_subdir(char *attr, size_t len)
-{
+static int attr_subst_subdir(char *attr, size_t len) {
         bool found = false;
 
         if (strstr(attr, "/*/")) {
@@ -751,8 +736,7 @@ static int attr_subst_subdir(char *attr, size_t len)
         return found;
 }
 
-static int get_key(struct udev *udev, char **line, char **key, enum operation_type *op, char **value)
-{
+static int get_key(struct udev *udev, char **line, char **key, enum operation_type *op, char **value) {
         char *linepos;
         char *temp;
 
@@ -839,8 +823,7 @@ static int get_key(struct udev *udev, char **line, char **key, enum operation_ty
 }
 
 /* extract possible KEY{attr} */
-static const char *get_key_attribute(struct udev *udev, char *str)
-{
+static const char *get_key_attribute(struct udev *udev, char *str) {
         char *pos;
         char *attr;
 
@@ -849,7 +832,7 @@ static const char *get_key_attribute(struct udev *udev, char *str)
                 attr++;
                 pos = strchr(attr, '}');
                 if (pos == NULL) {
-                        log_error("missing closing brace for format\n");
+                        log_error("missing closing brace for format");
                         return NULL;
                 }
                 pos[0] = '\0';
@@ -860,12 +843,11 @@ static const char *get_key_attribute(struct udev *udev, char *str)
 
 static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
                         enum operation_type op,
-                        const char *value, const void *data)
-{
+                        const char *value, const void *data) {
         struct token *token = &rule_tmp->token[rule_tmp->token_cur];
         const char *attr = NULL;
 
-        memset(token, 0x00, sizeof(struct token));
+        memzero(token, sizeof(struct token));
 
         switch (type) {
         case TK_M_ACTION:
@@ -895,6 +877,7 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
         case TK_A_GOTO:
         case TK_M_TAG:
         case TK_A_TAG:
+        case TK_A_STATIC_NODE:
                 token->key.value_off = rules_add_string(rule_tmp->rules, value);
                 break;
         case TK_M_IMPORT_BUILTIN:
@@ -938,19 +921,13 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
         case TK_A_MODE_ID:
                 token->key.mode = *(mode_t *)data;
                 break;
-        case TK_A_STATIC_NODE:
-                token->key.value_off = rules_add_string(rule_tmp->rules, value);
-                break;
-        case TK_M_EVENT_TIMEOUT:
-                token->key.event_timeout = *(int *)data;
-                break;
         case TK_RULE:
         case TK_M_PARENTS_MIN:
         case TK_M_PARENTS_MAX:
         case TK_M_MAX:
         case TK_END:
         case TK_UNSET:
-                log_error("wrong type %u\n", type);
+                log_error("wrong type %u", type);
                 return -1;
         }
 
@@ -961,7 +938,7 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
                 int has_glob;
 
                 has_split = (strchr(value, '|') != NULL);
-                has_glob = (strchr(value, '*') != NULL || strchr(value, '?') != NULL || strchr(value, '[') != NULL);
+                has_glob = string_is_glob(value);
                 if (has_split && has_glob) {
                         glob = GL_SPLIT_GLOB;
                 } else if (has_split) {
@@ -988,7 +965,7 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
         }
 
         if (attr != NULL) {
-                /* check if property/attribut name has substitution chars */
+                /* check if property/attribute name has substitution chars */
                 if (attr[0] == '[')
                         token->key.attrsubst = SB_SUBSYS;
                 else if (strchr(attr, '%') != NULL || strchr(attr, '$') != NULL)
@@ -1001,14 +978,13 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
         token->key.op = op;
         rule_tmp->token_cur++;
         if (rule_tmp->token_cur >= ELEMENTSOF(rule_tmp->token)) {
-                log_error("temporary rule array too small\n");
+                log_error("temporary rule array too small");
                 return -1;
         }
         return 0;
 }
 
-static int sort_token(struct udev_rules *rules, struct rule_tmp *rule_tmp)
-{
+static int sort_token(struct udev_rules *rules, struct rule_tmp *rule_tmp) {
         unsigned int i;
         unsigned int start = 0;
         unsigned int end = rule_tmp->token_cur;
@@ -1043,13 +1019,12 @@ static int sort_token(struct udev_rules *rules, struct rule_tmp *rule_tmp)
 }
 
 static int add_rule(struct udev_rules *rules, char *line,
-                    const char *filename, unsigned int filename_off, unsigned int lineno)
-{
+                    const char *filename, unsigned int filename_off, unsigned int lineno) {
         char *linepos;
         const char *attr;
         struct rule_tmp rule_tmp;
 
-        memset(&rule_tmp, 0x00, sizeof(struct rule_tmp));
+        memzero(&rule_tmp, sizeof(struct rule_tmp));
         rule_tmp.rules = rules;
         rule_tmp.rule.type = TK_RULE;
         /* the offset in the rule is limited to unsigned short */
@@ -1088,7 +1063,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "ACTION")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid ACTION operation\n");
+                                log_error("invalid ACTION operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_ACTION, op, value, NULL);
@@ -1097,7 +1072,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "DEVPATH")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid DEVPATH operation\n");
+                                log_error("invalid DEVPATH operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_DEVPATH, op, value, NULL);
@@ -1106,7 +1081,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "KERNEL")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid KERNEL operation\n");
+                                log_error("invalid KERNEL operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_KERNEL, op, value, NULL);
@@ -1115,7 +1090,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "SUBSYSTEM")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid SUBSYSTEM operation\n");
+                                log_error("invalid SUBSYSTEM operation");
                                 goto invalid;
                         }
                         /* bus, class, subsystem events should all be the same */
@@ -1123,7 +1098,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                             streq(value, "bus") ||
                             streq(value, "class")) {
                                 if (streq(value, "bus") || streq(value, "class"))
-                                        log_error("'%s' must be specified as 'subsystem' \n"
+                                        log_error("'%s' must be specified as 'subsystem' "
                                             "please fix it in %s:%u", value, filename, lineno);
                                 rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, "subsystem|class|bus", NULL);
                         } else
@@ -1133,7 +1108,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "DRIVER")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid DRIVER operation\n");
+                                log_error("invalid DRIVER operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_DRIVER, op, value, NULL);
@@ -1141,9 +1116,9 @@ static int add_rule(struct udev_rules *rules, char *line,
                 }
 
                 if (startswith(key, "ATTR{")) {
-                        attr = get_key_attribute(rules->udev, key + sizeof("ATTR")-1);
+                        attr = get_key_attribute(rules->udev, key + strlen("ATTR"));
                         if (attr == NULL) {
-                                log_error("error parsing ATTR attribute\n");
+                                log_error("error parsing ATTR attribute");
                                 goto invalid;
                         }
                         if (op < OP_MATCH_MAX) {
@@ -1155,9 +1130,9 @@ static int add_rule(struct udev_rules *rules, char *line,
                 }
 
                 if (startswith(key, "SECLABEL{")) {
-                        attr = get_key_attribute(rules->udev, key + sizeof("SECLABEL")-1);
+                        attr = get_key_attribute(rules->udev, key + strlen("SECLABEL"));
                         if (!attr) {
-                                log_error("error parsing SECLABEL attribute\n");
+                                log_error("error parsing SECLABEL attribute");
                                 goto invalid;
                         }
 
@@ -1167,7 +1142,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "KERNELS")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid KERNELS operation\n");
+                                log_error("invalid KERNELS operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_KERNELS, op, value, NULL);
@@ -1176,7 +1151,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "SUBSYSTEMS")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid SUBSYSTEMS operation\n");
+                                log_error("invalid SUBSYSTEMS operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_SUBSYSTEMS, op, value, NULL);
@@ -1185,7 +1160,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "DRIVERS")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid DRIVERS operation\n");
+                                log_error("invalid DRIVERS operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_DRIVERS, op, value, NULL);
@@ -1194,12 +1169,12 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (startswith(key, "ATTRS{")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid ATTRS operation\n");
+                                log_error("invalid ATTRS operation");
                                 goto invalid;
                         }
-                        attr = get_key_attribute(rules->udev, key + sizeof("ATTRS")-1);
+                        attr = get_key_attribute(rules->udev, key + strlen("ATTRS"));
                         if (attr == NULL) {
-                                log_error("error parsing ATTRS attribute\n");
+                                log_error("error parsing ATTRS attribute");
                                 goto invalid;
                         }
                         if (startswith(attr, "device/"))
@@ -1214,7 +1189,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "TAGS")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid TAGS operation\n");
+                                log_error("invalid TAGS operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_TAGS, op, value, NULL);
@@ -1222,9 +1197,9 @@ static int add_rule(struct udev_rules *rules, char *line,
                 }
 
                 if (startswith(key, "ENV{")) {
-                        attr = get_key_attribute(rules->udev, key + sizeof("ENV")-1);
+                        attr = get_key_attribute(rules->udev, key + strlen("ENV"));
                         if (attr == NULL) {
-                                log_error("error parsing ENV attribute\n");
+                                log_error("error parsing ENV attribute");
                                 goto invalid;
                         }
                         if (op < OP_MATCH_MAX) {
@@ -1249,7 +1224,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                                 for (i = 0; i < ELEMENTSOF(blacklist); i++) {
                                         if (!streq(attr, blacklist[i]))
                                                 continue;
-                                        log_error("invalid ENV attribute, '%s' can not be set %s:%u\n", attr, filename, lineno);
+                                        log_error("invalid ENV attribute, '%s' can not be set %s:%u", attr, filename, lineno);
                                         goto invalid;
                                 }
                                 if (rule_add_key(&rule_tmp, TK_A_ENV, op, value, attr) != 0)
@@ -1273,7 +1248,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "RESULT")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid RESULT operation\n");
+                                log_error("invalid RESULT operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_RESULT, op, value, NULL);
@@ -1281,9 +1256,9 @@ static int add_rule(struct udev_rules *rules, char *line,
                 }
 
                 if (startswith(key, "IMPORT")) {
-                        attr = get_key_attribute(rules->udev, key + sizeof("IMPORT")-1);
+                        attr = get_key_attribute(rules->udev, key + strlen("IMPORT"));
                         if (attr == NULL) {
-                                log_error("IMPORT{} type missing, ignoring IMPORT %s:%u\n", filename, lineno);
+                                log_error("IMPORT{} type missing, ignoring IMPORT %s:%u", filename, lineno);
                                 continue;
                         }
                         if (streq(attr, "program")) {
@@ -1293,7 +1268,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                                         cmd = udev_builtin_lookup(value);
                                         if (cmd < UDEV_BUILTIN_MAX) {
-                                                log_debug("IMPORT found builtin '%s', replacing %s:%u\n",
+                                                log_debug("IMPORT found builtin '%s', replacing %s:%u",
                                                           value, filename, lineno);
                                                 rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
                                                 continue;
@@ -1306,7 +1281,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                                 if (cmd < UDEV_BUILTIN_MAX)
                                         rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
                                 else
-                                        log_error("IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno);
+                                        log_error("IMPORT{builtin}: '%s' unknown %s:%u", value, filename, lineno);
                         } else if (streq(attr, "file")) {
                                 rule_add_key(&rule_tmp, TK_M_IMPORT_FILE, op, value, NULL);
                         } else if (streq(attr, "db")) {
@@ -1316,7 +1291,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                         } else if (streq(attr, "parent")) {
                                 rule_add_key(&rule_tmp, TK_M_IMPORT_PARENT, op, value, NULL);
                         } else
-                                log_error("IMPORT{} unknown type, ignoring IMPORT %s:%u\n", filename, lineno);
+                                log_error("IMPORT{} unknown type, ignoring IMPORT %s:%u", filename, lineno);
                         continue;
                 }
 
@@ -1324,10 +1299,10 @@ static int add_rule(struct udev_rules *rules, char *line,
                         mode_t mode = 0;
 
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid TEST operation\n");
+                                log_error("invalid TEST operation");
                                 goto invalid;
                         }
-                        attr = get_key_attribute(rules->udev, key + sizeof("TEST")-1);
+                        attr = get_key_attribute(rules->udev, key + strlen("TEST"));
                         if (attr != NULL) {
                                 mode = strtol(attr, NULL, 8);
                                 rule_add_key(&rule_tmp, TK_M_TEST, op, value, &mode);
@@ -1338,7 +1313,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                 }
 
                 if (startswith(key, "RUN")) {
-                        attr = get_key_attribute(rules->udev, key + sizeof("RUN")-1);
+                        attr = get_key_attribute(rules->udev, key + strlen("RUN"));
                         if (attr == NULL)
                                 attr = "program";
 
@@ -1348,13 +1323,13 @@ static int add_rule(struct udev_rules *rules, char *line,
                                 if (cmd < UDEV_BUILTIN_MAX)
                                         rule_add_key(&rule_tmp, TK_A_RUN_BUILTIN, op, value, &cmd);
                                 else
-                                        log_error("IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno);
+                                        log_error("IMPORT{builtin}: '%s' unknown %s:%u", value, filename, lineno);
                         } else if (streq(attr, "program")) {
                                 enum udev_builtin_cmd cmd = UDEV_BUILTIN_MAX;
 
                                 rule_add_key(&rule_tmp, TK_A_RUN_PROGRAM, op, value, &cmd);
                         } else {
-                                log_error("RUN{} unknown type, ignoring RUN %s:%u\n", filename, lineno);
+                                log_error("RUN{} unknown type, ignoring RUN %s:%u", filename, lineno);
                         }
 
                         continue;
@@ -1461,13 +1436,6 @@ static int add_rule(struct udev_rules *rules, char *line,
                                 rule_add_key(&rule_tmp, TK_A_DEVLINK_PRIO, op, NULL, &prio);
                         }
 
-                        pos = strstr(value, "event_timeout=");
-                        if (pos != NULL) {
-                                int tout = atoi(&pos[strlen("event_timeout=")]);
-
-                                rule_add_key(&rule_tmp, TK_M_EVENT_TIMEOUT, op, NULL, &tout);
-                        }
-
                         pos = strstr(value, "string_escape=");
                         if (pos != NULL) {
                                 pos = &pos[strlen("string_escape=")];
@@ -1504,7 +1472,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                         continue;
                 }
 
-                log_error("unknown key '%s' in %s:%u\n", key, filename, lineno);
+                log_error("unknown key '%s' in %s:%u", key, filename, lineno);
                 goto invalid;
         }
 
@@ -1519,12 +1487,11 @@ static int add_rule(struct udev_rules *rules, char *line,
 
         return 0;
 invalid:
-        log_error("invalid rule '%s:%u'\n", filename, lineno);
+        log_error("invalid rule '%s:%u'", filename, lineno);
         return -1;
 }
 
-static int parse_file(struct udev_rules *rules, const char *filename)
-{
+static int parse_file(struct udev_rules *rules, const char *filename) {
         FILE *f;
         unsigned int first_token;
         unsigned int filename_off;
@@ -1532,15 +1499,19 @@ static int parse_file(struct udev_rules *rules, const char *filename)
         int line_nr = 0;
         unsigned int i;
 
-        if (null_or_empty_path(filename)) {
-                log_debug("skip empty file: %s\n", filename);
-                return 0;
+        f = fopen(filename, "re");
+        if (!f) {
+                if (errno == ENOENT)
+                        return 0;
+                else
+                        return -errno;
         }
-        log_debug("read rules file: %s\n", filename);
 
-        f = fopen(filename, "re");
-        if (f == NULL)
-                return -1;
+        if (null_or_empty_fd(fileno(f))) {
+                log_debug("Skipping empty file: %s", filename);
+                return 0;
+        } else
+                log_debug("Reading rules file: %s", filename);
 
         first_token = rules->token_cur;
         filename_off = rules_add_string(rules, filename);
@@ -1574,7 +1545,7 @@ static int parse_file(struct udev_rules *rules, const char *filename)
                 }
 
                 if (len+1 >= sizeof(line)) {
-                        log_error("line too long '%s':%u, ignored\n", filename, line_nr);
+                        log_error("line too long '%s':%u, ignored", filename, line_nr);
                         continue;
                 }
                 add_rule(rules, key, filename, filename_off, line_nr);
@@ -1598,21 +1569,20 @@ static int parse_file(struct udev_rules *rules, const char *filename)
                                 break;
                         }
                         if (rules->tokens[i].key.rule_goto == 0)
-                                log_error("GOTO '%s' has no matching label in: '%s'\n", label, filename);
+                                log_error("GOTO '%s' has no matching label in: '%s'", label, filename);
                 }
         }
         return 0;
 }
 
-struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
-{
+struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names) {
         struct udev_rules *rules;
         struct udev_list file_list;
         struct token end_token;
         char **files, **f;
         int r;
 
-        rules = calloc(1, sizeof(struct udev_rules));
+        rules = new0(struct udev_rules, 1);
         if (rules == NULL)
                 return NULL;
         rules->udev = udev;
@@ -1629,25 +1599,11 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
         if (!rules->strbuf)
                 return udev_rules_unref(rules);
 
-        rules->dirs = strv_new("/etc/udev/rules.d",
-                               "/run/udev/rules.d",
-                               UDEVLIBEXECDIR "/rules.d",
-                               NULL);
-        if (!rules->dirs) {
-                log_error("failed to build config directory array");
-                return udev_rules_unref(rules);
-        }
-        if (!path_strv_canonicalize(rules->dirs)) {
-                log_error("failed to canonicalize config directories\n");
-                return udev_rules_unref(rules);
-        }
-        strv_uniq(rules->dirs);
-
         udev_rules_check_timestamp(rules);
 
-        r = conf_files_list_strv(&files, ".rules", NULL, (const char **)rules->dirs);
+        r = conf_files_list_strv(&files, ".rules", NULL, rules_dirs);
         if (r < 0) {
-                log_error("failed to enumerate rules files: %s\n", strerror(-r));
+                log_error("failed to enumerate rules files: %s", strerror(-r));
                 return udev_rules_unref(rules);
         }
 
@@ -1663,14 +1619,14 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
 
         strv_free(files);
 
-        memset(&end_token, 0x00, sizeof(struct token));
+        memzero(&end_token, sizeof(struct token));
         end_token.type = TK_END;
         add_token(rules, &end_token);
-        log_debug("rules contain %zu bytes tokens (%u * %zu bytes), %zu bytes strings\n",
+        log_debug("rules contain %zu bytes tokens (%u * %zu bytes), %zu bytes strings",
                   rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->strbuf->len);
 
         /* cleanup temporary strbuf data */
-        log_debug("%zu strings (%zu bytes), %zu de-duplicated (%zu bytes), %zu trie nodes used\n",
+        log_debug("%zu strings (%zu bytes), %zu de-duplicated (%zu bytes), %zu trie nodes used",
                   rules->strbuf->in_count, rules->strbuf->in_len,
                   rules->strbuf->dedup_count, rules->strbuf->dedup_len, rules->strbuf->nodes_count);
         strbuf_complete(rules->strbuf);
@@ -1689,29 +1645,25 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
         return rules;
 }
 
-struct udev_rules *udev_rules_unref(struct udev_rules *rules)
-{
+struct udev_rules *udev_rules_unref(struct udev_rules *rules) {
         if (rules == NULL)
                 return NULL;
         free(rules->tokens);
         strbuf_cleanup(rules->strbuf);
         free(rules->uids);
         free(rules->gids);
-        strv_free(rules->dirs);
         free(rules);
         return NULL;
 }
 
-bool udev_rules_check_timestamp(struct udev_rules *rules)
-{
+bool udev_rules_check_timestamp(struct udev_rules *rules) {
         if (!rules)
                 return false;
 
-        return paths_check_timestamp(rules->dirs, &rules->dirs_ts_usec, true);
+        return paths_check_timestamp(rules_dirs, &rules->dirs_ts_usec, true);
 }
 
-static int match_key(struct udev_rules *rules, struct token *token, const char *val)
-{
+static int match_key(struct udev_rules *rules, struct token *token, const char *val) {
         char *key_value = rules_str(rules, token->key.value_off);
         char *pos;
         bool match = false;
@@ -1784,8 +1736,7 @@ static int match_key(struct udev_rules *rules, struct token *token, const char *
         return -1;
 }
 
-static int match_attr(struct udev_rules *rules, struct udev_device *dev, struct udev_event *event, struct token *cur)
-{
+static int match_attr(struct udev_rules *rules, struct udev_device *dev, struct udev_event *event, struct token *cur) {
         const char *name;
         char nbuf[UTIL_NAME_SIZE];
         const char *value;
@@ -1839,8 +1790,10 @@ enum escape_type {
         ESCAPE_REPLACE,
 };
 
-int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, const sigset_t *sigmask)
-{
+int udev_rules_apply_to_event(struct udev_rules *rules,
+                              struct udev_event *event,
+                              usec_t timeout_usec,
+                              const sigset_t *sigmask) {
         struct token *cur;
         struct token *rule;
         enum escape_type esc = ESCAPE_UNSET;
@@ -2034,25 +1987,21 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                 goto nomatch;
                         break;
                 }
-                case TK_M_EVENT_TIMEOUT:
-                        log_debug("OPTIONS event_timeout=%u\n", cur->key.event_timeout);
-                        event->timeout_usec = cur->key.event_timeout * 1000 * 1000;
-                        break;
                 case TK_M_PROGRAM: {
                         char program[UTIL_PATH_SIZE];
                         char **envp;
-                        char result[UTIL_PATH_SIZE];
+                        char result[UTIL_LINE_SIZE];
 
                         free(event->program_result);
                         event->program_result = NULL;
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), program, sizeof(program));
                         envp = udev_device_get_properties_envp(event->dev);
-                        log_debug("PROGRAM '%s' %s:%u\n",
+                        log_debug("PROGRAM '%s' %s:%u",
                                   program,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
 
-                        if (udev_event_spawn(event, program, envp, sigmask, result, sizeof(result)) < 0) {
+                        if (udev_event_spawn(event, timeout_usec, program, envp, sigmask, result, sizeof(result)) < 0) {
                                 if (cur->key.op != OP_NOMATCH)
                                         goto nomatch;
                         } else {
@@ -2062,7 +2011,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                 if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
                                         count = util_replace_chars(result, UDEV_ALLOWED_CHARS_INPUT);
                                         if (count > 0)
-                                                log_debug("%i character(s) replaced\n" , count);
+                                                log_debug("%i character(s) replaced" , count);
                                 }
                                 event->program_result = strdup(result);
                                 if (cur->key.op == OP_NOMATCH)
@@ -2083,12 +2032,12 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         char import[UTIL_PATH_SIZE];
 
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), import, sizeof(import));
-                        log_debug("IMPORT '%s' %s:%u\n",
+                        log_debug("IMPORT '%s' %s:%u",
                                   import,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
 
-                        if (import_program_into_properties(event, import, sigmask) != 0)
+                        if (import_program_into_properties(event, timeout_usec, import, sigmask) != 0)
                                 if (cur->key.op != OP_NOMATCH)
                                         goto nomatch;
                         break;
@@ -2099,7 +2048,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         if (udev_builtin_run_once(cur->key.builtin_cmd)) {
                                 /* check if we ran already */
                                 if (event->builtin_run & (1 << cur->key.builtin_cmd)) {
-                                        log_debug("IMPORT builtin skip '%s' %s:%u\n",
+                                        log_debug("IMPORT builtin skip '%s' %s:%u",
                                                   udev_builtin_name(cur->key.builtin_cmd),
                                                   rules_str(rules, rule->rule.filename_off),
                                                   rule->rule.filename_line);
@@ -2114,14 +2063,14 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         }
 
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), command, sizeof(command));
-                        log_debug("IMPORT builtin '%s' %s:%u\n",
+                        log_debug("IMPORT builtin '%s' %s:%u",
                                   udev_builtin_name(cur->key.builtin_cmd),
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
 
                         if (udev_builtin_run(event->dev, cur->key.builtin_cmd, command, false) != 0) {
                                 /* remember failure */
-                                log_debug("IMPORT builtin '%s' returned non-zero\n",
+                                log_debug("IMPORT builtin '%s' returned non-zero",
                                           udev_builtin_name(cur->key.builtin_cmd));
                                 event->builtin_ret |= (1 << cur->key.builtin_cmd);
                                 if (cur->key.op != OP_NOMATCH)
@@ -2229,7 +2178,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), owner, sizeof(owner));
                         event->owner_set = true;
                         event->uid = util_lookup_user(event->udev, owner);
-                        log_debug("OWNER %u %s:%u\n",
+                        log_debug("OWNER %u %s:%u",
                                   event->uid,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2245,7 +2194,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), group, sizeof(group));
                         event->group_set = true;
                         event->gid = util_lookup_group(event->udev, group);
-                        log_debug("GROUP %u %s:%u\n",
+                        log_debug("GROUP %u %s:%u",
                                   event->gid,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2261,14 +2210,14 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), mode_str, sizeof(mode_str));
                         mode = strtol(mode_str, &endptr, 8);
                         if (endptr[0] != '\0') {
-                                log_error("ignoring invalid mode '%s'\n", mode_str);
+                                log_error("ignoring invalid mode '%s'", mode_str);
                                 break;
                         }
                         if (cur->key.op == OP_ASSIGN_FINAL)
                                 event->mode_final = true;
                         event->mode_set = true;
                         event->mode = mode;
-                        log_debug("MODE %#o %s:%u\n",
+                        log_debug("MODE %#o %s:%u",
                                   event->mode,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2281,7 +2230,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                 event->owner_final = true;
                         event->owner_set = true;
                         event->uid = cur->key.uid;
-                        log_debug("OWNER %u %s:%u\n",
+                        log_debug("OWNER %u %s:%u",
                                   event->uid,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2293,7 +2242,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                 event->group_final = true;
                         event->group_set = true;
                         event->gid = cur->key.gid;
-                        log_debug("GROUP %u %s:%u\n",
+                        log_debug("GROUP %u %s:%u",
                                   event->gid,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2305,7 +2254,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                 event->mode_final = true;
                         event->mode_set = true;
                         event->mode = cur->key.mode;
-                        log_debug("MODE %#o %s:%u\n",
+                        log_debug("MODE %#o %s:%u",
                                   event->mode,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2318,7 +2267,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
                                 udev_list_cleanup(&event->seclabel_list);
                         udev_list_entry_add(&event->seclabel_list, name, label);
-                        log_debug("SECLABEL{%s}='%s' %s:%u\n",
+                        log_debug("SECLABEL{%s}='%s' %s:%u",
                                   name, label,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2368,7 +2317,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                     (*p >= '0' && *p <= '9') ||
                                     *p == '-' || *p == '_')
                                         continue;
-                                log_error("ignoring invalid tag name '%s'\n", tag);
+                                log_error("ignoring invalid tag name '%s'", tag);
                                 break;
                         }
                         udev_device_add_tag(event->dev, tag);
@@ -2388,7 +2337,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
                                 count = util_replace_chars(name_str, "/");
                                 if (count > 0)
-                                        log_debug("%i character(s) replaced\n", count);
+                                        log_debug("%i character(s) replaced", count);
                         }
                         if (major(udev_device_get_devnum(event->dev)) &&
                             (!streq(name_str, udev_device_get_devnode(event->dev) + strlen("/dev/")))) {
@@ -2399,7 +2348,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         }
                         free(event->name);
                         event->name = strdup(name_str);
-                        log_debug("NAME '%s' %s:%u\n",
+                        log_debug("NAME '%s' %s:%u",
                                   event->name,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2427,14 +2376,14 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         else if (esc == ESCAPE_REPLACE)
                                 count = util_replace_chars(temp, "/");
                         if (count > 0)
-                                log_debug("%i character(s) replaced\n" , count);
+                                log_debug("%i character(s) replaced" , count);
                         pos = temp;
                         while (isspace(pos[0]))
                                 pos++;
                         next = strchr(pos, ' ');
                         while (next != NULL) {
                                 next[0] = '\0';
-                                log_debug("LINK '%s' %s:%u\n", pos,
+                                log_debug("LINK '%s' %s:%u", pos,
                                           rules_str(rules, rule->rule.filename_off), rule->rule.filename_line);
                                 strscpyl(filename, sizeof(filename), "/dev/", pos, NULL);
                                 udev_device_add_devlink(event->dev, filename);
@@ -2444,7 +2393,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                 next = strchr(pos, ' ');
                         }
                         if (pos[0] != '\0') {
-                                log_debug("LINK '%s' %s:%u\n", pos,
+                                log_debug("LINK '%s' %s:%u", pos,
                                           rules_str(rules, rule->rule.filename_off), rule->rule.filename_line);
                                 strscpyl(filename, sizeof(filename), "/dev/", pos, NULL);
                                 udev_device_add_devlink(event->dev, filename);
@@ -2462,16 +2411,16 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         attr_subst_subdir(attr, sizeof(attr));
 
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), value, sizeof(value));
-                        log_debug("ATTR '%s' writing '%s' %s:%u\n", attr, value,
+                        log_debug("ATTR '%s' writing '%s' %s:%u", attr, value,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
                         f = fopen(attr, "we");
                         if (f != NULL) {
                                 if (fprintf(f, "%s", value) <= 0)
-                                        log_error("error writing ATTR{%s}: %m\n", attr);
+                                        log_error("error writing ATTR{%s}: %m", attr);
                                 fclose(f);
                         } else {
-                                log_error("error opening ATTR{%s} for writing: %m\n", attr);
+                                log_error("error opening ATTR{%s} for writing: %m", attr);
                         }
                         break;
                 }
@@ -2481,7 +2430,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
 
                         if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
                                 udev_list_cleanup(&event->run_list);
-                        log_debug("RUN '%s' %s:%u\n",
+                        log_debug("RUN '%s' %s:%u",
                                   rules_str(rules, cur->key.value_off),
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2501,7 +2450,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                 case TK_M_PARENTS_MAX:
                 case TK_M_MAX:
                 case TK_UNSET:
-                        log_error("wrong type %u\n", cur->type);
+                        log_error("wrong type %u", cur->type);
                         goto nomatch;
                 }
 
@@ -2513,8 +2462,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
         }
 }
 
-int udev_rules_apply_static_dev_perms(struct udev_rules *rules)
-{
+int udev_rules_apply_static_dev_perms(struct udev_rules *rules) {
         struct token *cur;
         struct token *rule;
         uid_t uid = 0;
@@ -2569,24 +2517,25 @@ int udev_rules_apply_static_dev_perms(struct udev_rules *rules)
                         struct stat stats;
 
                         /* we assure, that the permissions tokens are sorted before the static token */
+
                         if (mode == 0 && uid == 0 && gid == 0 && tags == NULL)
                                 goto next;
+
                         strscpyl(device_node, sizeof(device_node), "/dev/", rules_str(rules, cur->key.value_off), NULL);
                         if (stat(device_node, &stats) != 0)
-                                goto next;
+                                break;
                         if (!S_ISBLK(stats.st_mode) && !S_ISCHR(stats.st_mode))
-                                goto next;
+                                break;
 
+                        /* export the tags to a directory as symlinks, allowing otherwise dead nodes to be tagged */
                         if (tags) {
-                                /* Export the tags to a directory as symlinks, allowing otherwise dead nodes to be tagged */
-
                                 STRV_FOREACH(t, tags) {
                                         _cleanup_free_ char *unescaped_filename = NULL;
 
                                         strscpyl(tags_dir, sizeof(tags_dir), "/run/udev/static_node-tags/", *t, "/", NULL);
                                         r = mkdir_p(tags_dir, 0755);
                                         if (r < 0) {
-                                                log_error("failed to create %s: %s\n", tags_dir, strerror(-r));
+                                                log_error("failed to create %s: %s", tags_dir, strerror(-r));
                                                 return r;
                                         }
 
@@ -2595,7 +2544,7 @@ int udev_rules_apply_static_dev_perms(struct udev_rules *rules)
                                         strscpyl(tag_symlink, sizeof(tag_symlink), tags_dir, unescaped_filename, NULL);
                                         r = symlink(device_node, tag_symlink);
                                         if (r < 0 && errno != EEXIST) {
-                                                log_error("failed to create symlink %s -> %s: %m\n", tag_symlink, device_node);
+                                                log_error("failed to create symlink %s -> %s: %m", tag_symlink, device_node);
                                                 return -errno;
                                         } else
                                                 r = 0;
@@ -2604,7 +2553,7 @@ int udev_rules_apply_static_dev_perms(struct udev_rules *rules)
 
                         /* don't touch the permissions if only the tags were set */
                         if (mode == 0 && uid == 0 && gid == 0)
-                                goto next;
+                                break;
 
                         if (mode == 0) {
                                 if (gid > 0)
@@ -2615,19 +2564,19 @@ int udev_rules_apply_static_dev_perms(struct udev_rules *rules)
                         if (mode != (stats.st_mode & 01777)) {
                                 r = chmod(device_node, mode);
                                 if (r < 0) {
-                                        log_error("failed to chmod '%s' %#o\n", device_node, mode);
+                                        log_error("failed to chmod '%s' %#o", device_node, mode);
                                         return -errno;
                                 } else
-                                        log_debug("chmod '%s' %#o\n", device_node, mode);
+                                        log_debug("chmod '%s' %#o", device_node, mode);
                         }
 
                         if ((uid != 0 && uid != stats.st_uid) || (gid != 0 && gid != stats.st_gid)) {
                                 r = chown(device_node, uid, gid);
                                 if (r < 0) {
-                                        log_error("failed to chown '%s' %u %u \n", device_node, uid, gid);
+                                        log_error("failed to chown '%s' %u %u ", device_node, uid, gid);
                                         return -errno;
                                 } else
-                                        log_debug("chown '%s' %u %u\n", device_node, uid, gid);
+                                        log_debug("chown '%s' %u %u", device_node, uid, gid);
                         }
 
                         utimensat(AT_FDCWD, device_node, NULL, 0);