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-rw-r--r--mm/backing-dev.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 55a233d75f39..f5981e9d6ae2 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -473,11 +473,8 @@ void wb_congested_put(struct bdi_writeback_congested *congested)
{
unsigned long flags;
- local_irq_save(flags);
- if (!refcount_dec_and_lock(&congested->refcnt, &cgwb_lock)) {
- local_irq_restore(flags);
+ if (!refcount_dec_and_lock_irqsave(&congested->refcnt, &cgwb_lock, &flags))
return;
- }
/* bdi might already have been destroyed leaving @congested unlinked */
if (congested->__bdi) {