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[V2,for-rc,2/4] RDMA/hns: Move the location for initializing tmp_len

Message ID 1526993237-51253-3-git-send-email-oulijun@huawei.com (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show

Commit Message

Lijun Ou May 22, 2018, 12:47 p.m. UTC 
When posted work request, it need to compute the length of
all sges of every wr and fill it into the msg_len field of
send wqe. Thus, While posting multiple wr,
tmp_len should be reinitialized to zero.

Fixes: 8b9b8d1("RDMA/hns: Fix the endian problem for hns")
Signed-off-by: Lijun Ou <oulijun@huawei.com>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 7ecf0c9..1f0965bb 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -142,8 +142,8 @@  static int hns_roce_v2_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 	unsigned long flags;
 	unsigned int ind;
 	void *wqe = NULL;
-	u32 tmp_len = 0;
 	bool loopback;
+	u32 tmp_len;
 	int ret = 0;
 	u8 *smac;
 	int nreq;
@@ -189,6 +189,7 @@  static int hns_roce_v2_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 
 		owner_bit =
 		       ~(((qp->sq.head + nreq) >> ilog2(qp->sq.wqe_cnt)) & 0x1);
+		tmp_len = 0;
 
 		/* Corresponding to the QP type, wqe process separately */
 		if (ibqp->qp_type == IB_QPT_GSI) {