driverd: implement AddMatch/RemoveMatch logic

[elogind.git] / src / udev / udev-rules.c

diff --git a/src/udev/udev-rules.c b/src/udev/udev-rules.c
index 58da79b876def0e546a2c26b3adb55659f577231..f793e57712266429f3c1e7903c11d964daca34f0 100644 (file)
--- a/src/udev/udev-rules.c
+++ b/src/udev/udev-rules.c
@@ -49,7 +49,7 @@ struct uid_gid {
 struct udev_rules {
         struct udev *udev;
         char **dirs;
-        usec_t *dirs_ts_usec;
+        usec_t dirs_ts_usec;
         int resolve_names;
 
         /* every key in the rules file becomes a token */
@@ -431,7 +431,7 @@ static void dump_rules(struct udev_rules *rules)
                   rules->token_cur * sizeof(struct token),
                   rules->buf_count,
                   rules->buf_cur);
-        for(i = 0; i < rules->token_cur; i++)
+        for (i = 0; i < rules->token_cur; i++)
                 dump_token(rules, &rules->tokens[i]);
 }
 #else
@@ -551,6 +551,7 @@ static int import_property_from_string(struct udev_device *dev, char *line)
         char *key;
         char *val;
         size_t len;
+        struct udev_list_entry *entry;
 
         /* find key */
         key = line;
@@ -601,22 +602,11 @@ static int import_property_from_string(struct udev_device *dev, char *line)
                 val++;
         }
 
-        /* handle device, renamed by external tool, returning new path */
-        if (streq(key, "DEVPATH")) {
-                char syspath[UTIL_PATH_SIZE];
-
-                log_debug("updating devpath from '%s' to '%s'\n",
-                          udev_device_get_devpath(dev), val);
-                strscpyl(syspath, sizeof(syspath), "/sys", val, NULL);
-                udev_device_set_syspath(dev, syspath);
-        } else {
-                struct udev_list_entry *entry;
-
-                entry = udev_device_add_property(dev, key, val);
-                /* store in db, skip private keys */
-                if (key[0] != '.')
-                        udev_list_entry_set_num(entry, true);
-        }
+        entry = udev_device_add_property(dev, key, val);
+        /* store in db, skip private keys */
+        if (key[0] != '.')
+                udev_list_entry_set_num(entry, true);
+
         return 0;
 }
 
@@ -1091,7 +1081,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                                           "starting at character %tu ('%s')\n",
                                           filename, lineno, linepos - line + 1, tmp);
                                 if (linepos[1] == '#')
-                                        log_info("hint: comments can only start at beginning of line");
+                                        log_error("hint: comments can only start at beginning of line");
                         }
                         break;
                 }
@@ -1653,9 +1643,6 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
         }
         strv_uniq(rules->dirs);
 
-        rules->dirs_ts_usec = calloc(strv_length(rules->dirs), sizeof(usec_t));
-        if(!rules->dirs_ts_usec)
-                return udev_rules_unref(rules);
         udev_rules_check_timestamp(rules);
 
         r = conf_files_list_strv(&files, ".rules", NULL, (const char **)rules->dirs);
@@ -1711,14 +1698,16 @@ struct udev_rules *udev_rules_unref(struct udev_rules *rules)
         free(rules->uids);
         free(rules->gids);
         strv_free(rules->dirs);
-        free(rules->dirs_ts_usec);
         free(rules);
         return NULL;
 }
 
 bool udev_rules_check_timestamp(struct udev_rules *rules)
 {
-        return paths_check_timestamp(rules->dirs, rules->dirs_ts_usec, true);
+        if (!rules)
+                return false;
+
+        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)
@@ -2606,7 +2595,7 @@ 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: %s\n", tag_symlink, device_node, strerror(errno));
+                                                log_error("failed to create symlink %s -> %s: %m\n", tag_symlink, device_node);
                                                 return -errno;
                                         } else
                                                 r = 0;