From: Weihang Li <liweihang@huawei.com>
Date: Fri, 20 Mar 2020 11:23:34 +0800
Subject: RDMA/hns: Fix a wrong judgment of return value
Patch-mainline: v5.7-rc1
Git-commit: 30d41e18c3a6eac39b7348ae7e3388f0ec7e680e
References: jsc#SLE-8449
hns_roce_alloc_mtt_range() never return -1, ret should be checked
whether it is zero instead of -1.
Fixes: 1ceb0b11a8a2 ("RDMA/hns: Fix non-standard error codes")
Link: https://lore.kernel.org/r/1584674622-52773-3-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/hns/hns_roce_mr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -243,7 +243,7 @@ int hns_roce_mtt_init(struct hns_roce_de
/* Allocate MTT entry */
ret = hns_roce_alloc_mtt_range(hr_dev, mtt->order, &mtt->first_seg,
mtt->mtt_type);
- if (ret == -1)
+ if (ret)
return -ENOMEM;
return 0;