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-rw-r--r--mm/backing-dev.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 887d72a85b5e..436bb53dd383 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -554,8 +554,10 @@ static int cgwb_create(struct backing_dev_info *bdi,
goto err_ref_exit;
wb->congested = wb_congested_get_create(bdi, blkcg_css->id, gfp);
- if (!wb->congested)
+ if (!wb->congested) {
+ ret = -ENOMEM;
goto err_fprop_exit;
+ }
wb->memcg_css = memcg_css;
wb->blkcg_css = blkcg_css;