1 files changed, 1 insertions, 0 deletions

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index fa5e6d7406d1..7441bd93b732 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -115,6 +115,7 @@ static int bdi_debug_register(struct backing_dev_info *bdi, const char *name)
                                                bdi, &bdi_debug_stats_fops);
         if (!bdi->debug_stats) {
                 debugfs_remove(bdi->debug_dir);
+                bdi->debug_dir = NULL;
                 return -ENOMEM;
         }