tree-wide: drop unnecessary break in default branch

src/core/automount.c

@@ -1006,7 +1006,6 @@ static int automount_dispatch_io(sd_event_source *s, int fd, uint32_t events, vo
 
         default:
                 log_unit_error(UNIT(a), "Received unknown automount request %i", packet.hdr.type);
-                break;
         }
 
         return 0;

src/core/execute-serialize.c

@@ -2178,7 +2178,7 @@ static int exec_context_serialize(const ExecContext *c, FILE *f) {
                 break;
 
         default:
-                break;
+                ;
         }
 
         r = serialize_std_out_err(c, f, STDOUT_FILENO);

src/core/main.c

@@ -1687,7 +1687,6 @@ static int become_shutdown(int objective, int retval) {
         case LOG_TARGET_CONSOLE:
         default:
                 command_line[pos++] = "--log-target=console";
-                break;
         };
 
         if (log_get_show_color())

src/core/mount.c

@@ -773,7 +773,7 @@ static void mount_catchup(Unit *u) {
                         mount_set_state(m, MOUNT_MOUNTING_DONE);
                         break;
                 default:
-                        break;
+                        ;
                 }
         else
                 switch (m->state) {
@@ -786,7 +786,7 @@ static void mount_catchup(Unit *u) {
                         mount_enter_dead(m, MOUNT_SUCCESS, /* flush_result = */ false);
                         break;
                 default:
-                        break;
+                        ;
                 }
 }
 
@@ -2242,7 +2242,7 @@ static int mount_process_proc_self_mountinfo(Manager *m) {
                                 break;
 
                         default:
-                                break;
+                                ;
                         }
 
                 } else if (mount->proc_flags & (MOUNT_PROC_JUST_MOUNTED|MOUNT_PROC_JUST_CHANGED)) {
@@ -2270,7 +2270,6 @@ static int mount_process_proc_self_mountinfo(Manager *m) {
                                  * in case somebody is waiting for this. (e.g. file system ro/rw
                                  * remounts.) */
                                 mount_set_state(mount, mount->state);
-                                break;
                         }
                 }
 

src/core/smack-setup.c

@@ -349,7 +349,6 @@ int mac_smack_setup(bool *loaded_policy) {
                 break;
         default:
                 log_warning_errno(r, "Failed to load Smack/CIPSO access rules, ignoring: %m");
-                break;
         }
 
         r = write_netlabel_rules("/etc/smack/netlabel.d/");
@@ -365,7 +364,6 @@ int mac_smack_setup(bool *loaded_policy) {
                 break;
         default:
                 log_warning_errno(r, "Failed to load Smack network host rules: %m, ignoring.");
-                break;
         }
 
         r = write_onlycap_list();

src/core/swap.c

@@ -1190,7 +1190,6 @@ static int swap_process_proc_swaps(Manager *m) {
                         default:
                                 /* Fire again */
                                 swap_set_state(swap, swap->state);
-                                break;
                         }
 
                         if (swap->what)
@@ -1214,12 +1213,9 @@ static int swap_process_proc_swaps(Manager *m) {
                                 break;
 
                         default:
-                                /* Nothing really changed, but let's
-                                 * issue an notification call
-                                 * nonetheless, in case somebody is
-                                 * waiting for this. */
+                                /* Nothing really changed, but let's issue an notification call nonetheless,
+                                 * in case somebody is waiting for this. */
                                 swap_set_state(swap, swap->state);
-                                break;
                         }
                 }