[PATCH v2 1/5] fuse: Kill fasync only if interrupt is queued in queue_interrupt()

[Kirill Tkhai]

We should sent signal only in case of interrupt is really queued.
Not a real problem, but this makes the code clearer and intuitive.

v2: Move kill_fasync() under fiq->waitq.lock

Signed-off-by: Kirill Tkhai <ktk...@virtuozzo.com>
---
 fs/fuse/dev.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index ae813e609932..1ecec7fcb841 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -476,9 +476,9 @@ static void queue_interrupt(struct fuse_iqueue *fiq, struct 
fuse_req *req)
        if (list_empty(&req->intr_entry)) {
                list_add_tail(&req->intr_entry, &fiq->interrupts);
                wake_up_locked(&fiq->waitq);
+               kill_fasync(&fiq->fasync, SIGIO, POLL_IN);
        }
        spin_unlock(&fiq->waitq.lock);
-       kill_fasync(&fiq->fasync, SIGIO, POLL_IN);
 }
 
 static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req)