RDMA/hns: Fix the size setting error when copying CQE in clean_cq()

[ Upstream commit cc26aee ]

The size of CQE is different for different versions of hardware, so the
driver needs to specify the size of CQE explicitly.

Fixes: 09a5f21 ("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>

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);
 		}
 	}