systemctl: small cleanup

[elogind.git] / src / systemctl / systemctl.c

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 7bc8ece0424c3f063caebe822424e292d0e58836..2fa8ecc6644fd567494e1d912f0f0472aceca973 100644 (file)
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -2305,6 +2305,7 @@ static int enable_wait_for_jobs(sd_bus *bus) {
 
         r = sd_bus_add_match(
                         bus,
+                        NULL,
                         "type='signal',"
                         "sender='org.freedesktop.systemd1',"
                         "interface='org.freedesktop.systemd1.Manager',"
@@ -2364,13 +2365,14 @@ static int check_wait_response(WaitData *d) {
 }
 
 static int wait_for_jobs(sd_bus *bus, Set *s) {
+        _cleanup_bus_slot_unref_ sd_bus_slot *slot = NULL;
         WaitData d = { .set = s };
         int r = 0, q;
 
         assert(bus);
         assert(s);
 
-        q = sd_bus_add_filter(bus, wait_filter, &d);
+        q = sd_bus_add_filter(bus, &slot, wait_filter, &d);
         if (q < 0)
                 return log_oom();
 
@@ -2398,10 +2400,6 @@ static int wait_for_jobs(sd_bus *bus, Set *s) {
                 d.result = NULL;
         }
 
-        q = sd_bus_remove_filter(bus, wait_filter, &d);
-        if (q < 0 && r == 0)
-                r = q;
-
         return r;
 }
 
@@ -2886,8 +2884,8 @@ static int check_inhibitors(sd_bus *bus, enum action a) {
                 get_process_comm(pid, &comm);
                 user = uid_to_name(uid);
 
-                log_warning("Operation inhibited by \"%s\" (PID %lu \"%s\", user %s), reason is \"%s\".",
-                            who, (unsigned long) pid, strna(comm), strna(user), why);
+                log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
+                            who, pid, strna(comm), strna(user), why);
 
                 c++;
         }
@@ -4258,7 +4256,7 @@ static int get_unit_dbus_path_by_pid(
                         &reply,
                         "u", pid);
         if (r < 0) {
-                log_error("Failed to get unit for PID %lu: %s", (unsigned long) pid, bus_error_message(&error, r));
+                log_error("Failed to get unit for PID "PID_FMT": %s", pid, bus_error_message(&error, r));
                 return r;
         }
 
@@ -4285,7 +4283,7 @@ static int show_all(
         _cleanup_free_ UnitInfo *unit_infos = NULL;
         const UnitInfo *u;
         unsigned c;
-        int r;
+        int r, ret = 0;
 
         r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
         if (r < 0)
@@ -4307,9 +4305,11 @@ static int show_all(
                 r = show_one(verb, bus, p, show_properties, new_line, ellipsized);
                 if (r < 0)
                         return r;
+                else if (r > 0 && ret == 0)
+                        ret = r;
         }
 
-        return 0;
+        return ret;
 }
 
 static int show_system_status(sd_bus *bus) {
@@ -4431,7 +4431,12 @@ static int show(sd_bus *bus, char **args) {
                                 }
                         }
 
-                        show_one(args[0], bus, unit, show_properties, &new_line, &ellipsized);
+                        r = show_one(args[0], bus, unit, show_properties,
+                                     &new_line, &ellipsized);
+                        if (r < 0)
+                                return r;
+                        else if (r > 0 && ret == 0)
+                                ret = r;
                 }
 
                 if (!strv_isempty(patterns)) {
@@ -4448,7 +4453,12 @@ static int show(sd_bus *bus, char **args) {
                                 if (!unit)
                                         return log_oom();
 
-                                show_one(args[0], bus, unit, show_properties, &new_line, &ellipsized);
+                                r = show_one(args[0], bus, unit, show_properties,
+                                             &new_line, &ellipsized);
+                                if (r < 0)
+                                        return r;
+                                else if (r > 0 && ret == 0)
+                                        ret = r;
                         }
                 }
         }
@@ -4992,18 +5002,18 @@ static int enable_sysv_units(const char *verb, char **args) {
         /* Processes all SysV units, and reshuffles the array so that
          * afterwards only the native units remain */
 
-        r = lookup_paths_init(&paths, SYSTEMD_SYSTEM, false, NULL, NULL, NULL);
+        r = lookup_paths_init(&paths, SYSTEMD_SYSTEM, false, arg_root, NULL, NULL, NULL);
         if (r < 0)
                 return r;
 
         r = 0;
         for (f = 0; args[f]; f++) {
                 const char *name;
-                _cleanup_free_ char *p = NULL, *q = NULL;
+                _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL;
                 bool found_native = false, found_sysv;
                 unsigned c = 1;
                 const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL };
-                char **k, *l;
+                char **k;
                 int j;
                 pid_t pid;
                 siginfo_t status;
@@ -5017,6 +5027,8 @@ static int enable_sysv_units(const char *verb, char **args) {
                         continue;
 
                 STRV_FOREACH(k, paths.unit_path) {
+                        _cleanup_free_ char *path = NULL;
+
                         if (!isempty(arg_root))
                                 asprintf(&p, "%s/%s/%s", arg_root, *k, name);
                         else
@@ -5028,9 +5040,6 @@ static int enable_sysv_units(const char *verb, char **args) {
                         }
 
                         found_native = access(p, F_OK) >= 0;
-                        free(p);
-                        p = NULL;
-
                         if (found_native)
                                 break;
                 }
@@ -5047,9 +5056,8 @@ static int enable_sysv_units(const char *verb, char **args) {
                         goto finish;
                 }
 
-                p[strlen(p) - sizeof(".service") + 1] = 0;
+                p[strlen(p) - strlen(".service")] = 0;
                 found_sysv = access(p, F_OK) >= 0;
-
                 if (!found_sysv)
                         continue;
 
@@ -5074,7 +5082,6 @@ static int enable_sysv_units(const char *verb, char **args) {
                 }
 
                 log_info("Executing %s", l);
-                free(l);
 
                 pid = fork();
                 if (pid < 0) {