Messages in this thread Patch in this message | | | Subject | [git patch review 1/2] IB/mthca: reset QP's last pointers when transitioning to reset state | From | Roland Dreier <> | Date | Mon, 28 Nov 2005 23:56:40 +0000 |
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last pointer is not updated when QP is modified to reset state. This causes data corruption if WQEs are already posted on the queue.
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
drivers/infiniband/hw/mthca/mthca_qp.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
applies-to: 1e8504d2a91579756c89ef2d65ebd526f973cde8 187a25863fe014486ee834164776b2a587d6934d diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index dd4e133..f9c8eb9 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -871,7 +871,10 @@ int mthca_modify_qp(struct ib_qp *ibqp, qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); mthca_wq_init(&qp->sq); + qp->sq.last = get_send_wqe(qp, qp->sq.max - 1); + mthca_wq_init(&qp->rq); + qp->rq.last = get_recv_wqe(qp, qp->rq.max - 1); if (mthca_is_memfree(dev)) { *qp->sq.db = 0; --- 0.99.9k - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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