tree-wide: add missing assertions

Found by coccinelle.

src/systemctl/systemctl-list-machines.c

@@ -100,7 +100,7 @@ static bool output_show_machine(const char *name, char **patterns) {
 
 static int get_machine_list(
                 sd_bus *bus,
-                struct machine_info **_machine_infos,
+                struct machine_info **ret_machine_infos,
                 char **patterns) {
 
         struct machine_info *machine_infos = NULL;
@@ -108,6 +108,9 @@ static int get_machine_list(
         _cleanup_free_ char *hn = NULL;
         int c = 0, r;
 
+        assert(bus);
+        assert(ret_machine_infos);
+
         hn = gethostname_malloc();
         if (!hn)
                 return log_oom();
@@ -153,7 +156,7 @@ static int get_machine_list(
                 c++;
         }
 
-        *_machine_infos = machine_infos;
+        *ret_machine_infos = machine_infos;
         return c;
 }
 

src/systemctl/systemctl-util.c

@@ -519,8 +519,10 @@ int unit_find_paths(
          */
 
         assert(unit_name);
-        assert(ret_fragment_path);
         assert(lp);
+        assert(cached_id_map);
+        assert(cached_name_map);
+        assert(ret_fragment_path);
 
         /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
         if (!force_client_side &&
@@ -529,6 +531,8 @@ int unit_find_paths(
                 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
                 _cleanup_free_ char *load_state = NULL, *dbus_path = NULL;
 
+                assert(bus);
+
                 dbus_path = unit_dbus_path_from_name(unit_name);
                 if (!dbus_path)
                         return log_oom();