diff --git a/src/modules/systemlib/param/param_shmem.c b/src/modules/systemlib/param/param_shmem.c index 3a82864443..1ed893cad4 100644 --- a/src/modules/systemlib/param/param_shmem.c +++ b/src/modules/systemlib/param/param_shmem.c @@ -859,6 +859,7 @@ param_save_default(void) // After writing the file, also do a fsync to prevent loosing params if power is cut. res = fsync(fd); + if (res != 0) { PX4_ERR("failed to do fsync: %s", strerror(errno)); goto exit;