[CONNECTOR]: Fix warning in cn_queue.c

cn_queue.c:130: warning: value computed is not used

There is no point in testing the atomic value if the result is thrown
away.

From Evgeniy:

It was created to put implicit smp barrier, but it is not needed there.

Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c
index 9f2f00d..05f8ce2 100644 (file)
--- a/drivers/connector/cn_queue.c
+++ b/drivers/connector/cn_queue.c
@@ -127,7 +127,7 @@ void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id)
 
        if (found) {
                cn_queue_free_callback(cbq);
-               atomic_dec_and_test(&dev->refcnt);
+               atomic_dec(&dev->refcnt);
        }
 }