Check ret is enough since if sess_dev is NULL which also implies ret should be 0. Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxx> --- drivers/block/rnbd/rnbd-srv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c index e9ef6bd4b50c..c4122e65b36a 100644 --- a/drivers/block/rnbd/rnbd-srv.c +++ b/drivers/block/rnbd/rnbd-srv.c @@ -96,7 +96,7 @@ rnbd_get_sess_dev(int dev_id, struct rnbd_srv_session *srv_sess) ret = kref_get_unless_zero(&sess_dev->kref); rcu_read_unlock(); - if (!sess_dev || !ret) + if (!ret) return ERR_PTR(-ENXIO); return sess_dev; -- 2.35.3