IB/hns: checking for IS_ERR() instead of NULL

The hns_roce_v1_create_lp_qp() returns NULL on error, not error pointers.

Fixes: bfcc681bd09d ("IB/hns: Fix the bug when free mr")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 23fad6d..2540b65 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -733,7 +733,7 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev)
                        continue;
 
                free_mr->mr_free_qp[i] = hns_roce_v1_create_lp_qp(hr_dev, pd);
-               if (IS_ERR(free_mr->mr_free_qp[i])) {
+               if (!free_mr->mr_free_qp[i]) {
                        dev_err(dev, "Create loop qp failed!\n");
                        goto create_lp_qp_failed;
                }