[PATCH] usnix: correctly handle kzalloc return value

[Insu Yun]

Since kzalloc returns memory address, not error code,
it should be checked whether it is null or not. 

Signed-off-by: Insu Yun <wuninsu@xxxxxxxxx>
---
 drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c
index db3588d..a678a66 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c
@@ -221,8 +221,8 @@ create_roce_custom_flow(struct usnic_ib_qp_grp *qp_grp,
 
 	/* Create Flow Handle */
 	qp_flow = kzalloc(sizeof(*qp_flow), GFP_ATOMIC);
-	if (IS_ERR_OR_NULL(qp_flow)) {
-		err = qp_flow ? PTR_ERR(qp_flow) : -ENOMEM;
+	if (!qp_flow) {
+		err = -ENOMEM;
 		goto out_dealloc_flow;
 	}
 	qp_flow->flow = flow;
@@ -296,8 +296,8 @@ create_udp_flow(struct usnic_ib_qp_grp *qp_grp,
 
 	/* Create qp_flow */
 	qp_flow = kzalloc(sizeof(*qp_flow), GFP_ATOMIC);
-	if (IS_ERR_OR_NULL(qp_flow)) {
-		err = qp_flow ? PTR_ERR(qp_flow) : -ENOMEM;
+	if (!qp_flow) {
+		err = -ENOMEM;
 		goto out_dealloc_flow;
 	}
 	qp_flow->flow = flow;
-- 
1.9.1

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