From f31683a5227b1a0febae8e2a85d7fdf9514c10f1 Mon Sep 17 00:00:00 2001
From: Chengchang Tang <tangchengchang@huawei.com>
Date: Thu, 7 Dec 2023 19:42:30 +0800
Subject: [PATCH 1/1] RDMA/hns: Remove unnecessary checks for NULL in
mtr_alloc_bufs()
Git-commit: f31683a5227b1a0febae8e2a85d7fdf9514c10f1
Patch-mainline: v6.8-rc1
References: git-fixes
ib_umem_get() never return NULL.
Fixes: 3c873161a0d7 ("RDMA/hns: Add support for addressing when hopnum is 0")
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20231207114231.2872104-5-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Acked-by: Nicolas Morey <nmorey@suse.com>
---
drivers/infiniband/hw/hns/hns_roce_mr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index d68074b6ca17..91cd580480fe 100644
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -686,7 +686,7 @@ static int mtr_alloc_bufs(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
mtr->kmem = NULL;
mtr->umem = ib_umem_get(ibdev, user_addr, total_size,
buf_attr->user_access);
- if (IS_ERR_OR_NULL(mtr->umem)) {
+ if (IS_ERR(mtr->umem)) {
ibdev_err(ibdev, "failed to get umem, ret = %ld.\n",
PTR_ERR(mtr->umem));
return -ENOMEM;
--
2.39.1.1.gbe015eda0162