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-rw-r--r--fs/btrfs/async-thread.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index ecb5832c0967..5a201d81049c 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -323,6 +323,8 @@ void btrfs_destroy_workqueue(struct btrfs_workqueue *wq)
void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max)
{
+ if (!wq)
+ return;
wq->normal->max_active = max;
if (wq->high)
wq->high->max_active = max;