nspawn: TAKE_FD() is your friend

src/nspawn/nspawn.c

@@ -2812,7 +2812,7 @@ static int inner_child(
 }
 
 static int setup_sd_notify_child(void) {
-        int fd = -1;
+        _cleanup_close_ int fd = -1;
         union sockaddr_union sa = {
                 .un.sun_family = AF_UNIX,
                 .un.sun_path = NSPAWN_NOTIFY_SOCKET_PATH,
@@ -2827,24 +2827,18 @@ static int setup_sd_notify_child(void) {
         (void) sockaddr_un_unlink(&sa.un);
 
         r = bind(fd, &sa.sa, SOCKADDR_UN_LEN(sa.un));
-        if (r < 0) {
-                safe_close(fd);
+        if (r < 0)
                 return log_error_errno(errno, "bind(" NSPAWN_NOTIFY_SOCKET_PATH ") failed: %m");
-        }
 
         r = userns_lchown(NSPAWN_NOTIFY_SOCKET_PATH, 0, 0);
-        if (r < 0) {
-                safe_close(fd);
+        if (r < 0)
                 return log_error_errno(r, "Failed to chown " NSPAWN_NOTIFY_SOCKET_PATH ": %m");
-        }
 
         r = setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &const_int_one, sizeof(const_int_one));
-        if (r < 0) {
-                safe_close(fd);
+        if (r < 0)
                 return log_error_errno(errno, "SO_PASSCRED failed: %m");
-        }
 
-        return fd;
+        return TAKE_FD(fd);
 }
 
 static int outer_child(