diff --git a/fs/ubifs/log.c b/fs/ubifs/log.c
index 36857b9ed59e..e14829e50693 100644
--- a/fs/ubifs/log.c
+++ b/fs/ubifs/log.c
@@ -317,6 +317,8 @@ int ubifs_add_bud_to_log(struct ubifs_info *c, int jhead, int lnum, int offs)
 	return 0;
 
 out_unlock:
+	if (err != -EAGAIN)
+		ubifs_ro_mode(c, err);
 	mutex_unlock(&c->log_mutex);
 	kfree(ref);
 	kfree(bud);