RDMA/hns: Move the location for initializing tmp_len

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: 8b9b8d143b46 ("RDMA/hns: Fix the endian problem for hns")
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 7ecf0c911808ec6387653296fffb1f33a9b707c4..1f0965bb64eedab6057ed511636ed4777c1fed30 100644 (file)
--- 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) {