Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 3.14 34/46] IB/mlx5: Fix returned values of query QP | Date | Thu, 18 Aug 2016 15:54:56 +0200 |
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3.14-stable review patch. If anyone has any objections, please let me know.
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From: Noa Osherovich <noaos@mellanox.com>
commit 0540d8148d419bf769e5aa99c77027febd8922f0 upstream.
Some variables were not initialized properly: max_recv_wr, max_recv_sge, max_send_wr, qp_context and max_inline_data.
Fixes: e126ba97dba9 ('mlx5: Add driver for Mellanox Connect-IB...') Signed-off-by: Noa Osherovich <noaos@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/infiniband/hw/mlx5/qp.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-)
--- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -169,6 +169,8 @@ static int set_rq_size(struct mlx5_ib_de qp->rq.max_gs = 0; qp->rq.wqe_cnt = 0; qp->rq.wqe_shift = 0; + cap->max_recv_wr = 0; + cap->max_recv_sge = 0; } else { if (ucmd) { qp->rq.wqe_cnt = ucmd->rq_wqe_count; @@ -2503,17 +2505,19 @@ int mlx5_ib_query_qp(struct ib_qp *ibqp, qp_attr->cap.max_recv_sge = qp->rq.max_gs; if (!ibqp->uobject) { - qp_attr->cap.max_send_wr = qp->sq.wqe_cnt; + qp_attr->cap.max_send_wr = qp->sq.max_post; qp_attr->cap.max_send_sge = qp->sq.max_gs; + qp_init_attr->qp_context = ibqp->qp_context; } else { qp_attr->cap.max_send_wr = 0; qp_attr->cap.max_send_sge = 0; } - /* We don't support inline sends for kernel QPs (yet), and we - * don't know what userspace's value should be. - */ - qp_attr->cap.max_inline_data = 0; + qp_init_attr->qp_type = ibqp->qp_type; + qp_init_attr->recv_cq = ibqp->recv_cq; + qp_init_attr->send_cq = ibqp->send_cq; + qp_init_attr->srq = ibqp->srq; + qp_attr->cap.max_inline_data = qp->max_inline_data; qp_init_attr->cap = qp_attr->cap;
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