[PATCH -next] scsi: qla2xxx: use PTR_ERR_OR_ZERO() to simplify code

[Chen Zhou <chenzhou10@xxxxxxxxxx>]

PTR_ERR_OR_ZERO contains if(IS_ERR(...)) + PTR_ERR, just use 
PTR_ERR_OR_ZERO directly.

Signed-off-by: Chen Zhou <chenzhou10@xxxxxxxxxx>
---
 drivers/scsi/qla2xxx/tcm_qla2xxx.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index abe7f79..719d53d 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -1462,10 +1462,8 @@ static int tcm_qla2xxx_check_initiator_node_acl(
 				       sizeof(struct qla_tgt_cmd),
 				       TARGET_PROT_ALL, port_name,
 				       qlat_sess, tcm_qla2xxx_session_cb);
-	if (IS_ERR(se_sess))
-		return PTR_ERR(se_sess);
 
-	return 0;
+	return PTR_ERR_OR_ZERO(se_sess);
 }
 
 static void tcm_qla2xxx_update_sess(struct fc_port *sess, port_id_t s_id,
-- 
2.7.4