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-rw-r--r--drivers/md/bcache/closure.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/md/bcache/closure.c b/drivers/md/bcache/closure.c
index bd05a9a8c7cf..9aba2017f0d1 100644
--- a/drivers/md/bcache/closure.c
+++ b/drivers/md/bcache/closure.c
@@ -66,16 +66,18 @@ static inline void closure_put_after_sub(struct closure *cl, int flags)
} else {
struct closure *parent = cl->parent;
struct closure_waitlist *wait = closure_waitlist(cl);
+ closure_fn *destructor = cl->fn;
closure_debug_destroy(cl);
+ smp_mb();
atomic_set(&cl->remaining, -1);
if (wait)
closure_wake_up(wait);
- if (cl->fn)
- cl->fn(cl);
+ if (destructor)
+ destructor(cl);
if (parent)
closure_put(parent);