From 8ba300a48a3b3fec09c3764c96f2be022098d94a Mon Sep 17 00:00:00 2001
From: Wenpeng Liang <liangwenpeng@huawei.com>
Date: Mon, 27 Sep 2021 20:55:56 +0800
Subject: [PATCH] RDMA/hns: Fix the size setting error when copying CQE in clean_cq()
Git-commit: cc26aee100588a3f293921342a307b6309ace193
Patch-mainline: v5.15-rc4
References: stable-5.14.10
[ Upstream commit cc26aee100588a3f293921342a307b6309ace193 ]
The size of CQE is different for different versions of hardware, so the
driver needs to specify the size of CQE explicitly.
Fixes: 09a5f210f67e ("RDMA/hns: Add support for CQE in size of 64 Bytes")
Link: https://lore.kernel.org/r/20210927125557.15031-2-liangwenpeng@huawei.com
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 6cb4a4e10837..0ccb0c453f6a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -3306,7 +3306,7 @@ static void __hns_roce_v2_cq_clean(struct hns_roce_cq *hr_cq, u32 qpn,
dest = get_cqe_v2(hr_cq, (prod_index + nfreed) &
hr_cq->ib_cq.cqe);
owner_bit = hr_reg_read(dest, CQE_OWNER);
- memcpy(dest, cqe, sizeof(*cqe));
+ memcpy(dest, cqe, hr_cq->cqe_size);
hr_reg_write(dest, CQE_OWNER, owner_bit);
}
}
--
2.26.2