From: Lijun Ou <ouli...@huawei.com>
When lp_qp_work is NULL, it should be returned ENOMEM. This patch
mainly fixes it.
Ihis patch fixes the smatch error as below:
drivers/infiniband/hw/hns/hns_roce_hw_v1.c:918 hns_roce_v1_recreate_lp_qp()
error: potential null dereference 'lp_qp_work'. (kzalloc returns null)
Signed-off-by: Lijun Ou <ouli...@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.hu...@huawei.com>
Signed-off-by: Shaobo Xu <xushao...@huawei.com>
---
drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 95f5c88..1071fa2 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -912,6 +912,8 @@ static int hns_roce_v1_recreate_lp_qp(struct hns_roce_dev
*hr_dev)
lp_qp_work = kzalloc(sizeof(struct hns_roce_recreate_lp_qp_work),
GFP_KERNEL);
+ if (!lp_qp_work)
+ return -ENOMEM;
INIT_WORK(&(lp_qp_work->work), hns_roce_v1_recreate_lp_qp_work_fn);
--
1.9.1
