Messages in this thread Patch in this message | | | Subject | [git patch review 3/7] IB/mthca: don't change driver's copy of attributes if modify QP fails | From | Roland Dreier <> | Date | Fri, 16 Dec 2005 04:00:17 +0000 |
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Only change the driver's copy of the QP attributes in modify QP after checking the modify QP command completed successfully.
Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> 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 | 11 ++++++----- 1 files changed, 6 insertions(+), 5 deletions(-)
44b5b0303327cfb23f135b95b2fe5436c81ed27c diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index 84056a8..3543299 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -764,8 +764,6 @@ int mthca_modify_qp(struct ib_qp *ibqp, qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_RWE | MTHCA_QP_OPTPAR_RRE | MTHCA_QP_OPTPAR_RAE); - - qp->atomic_rd_en = attr->qp_access_flags; } if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { @@ -801,8 +799,6 @@ int mthca_modify_qp(struct ib_qp *ibqp, cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_RRA_MAX); - - qp->resp_depth = attr->max_dest_rd_atomic; } qp_context->params2 |= cpu_to_be32(MTHCA_QP_BIT_RSC); @@ -844,8 +840,13 @@ int mthca_modify_qp(struct ib_qp *ibqp, err = -EINVAL; } - if (!err) + if (!err) { qp->state = new_state; + if (attr_mask & IB_QP_ACCESS_FLAGS) + qp->atomic_rd_en = attr->qp_access_flags; + if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) + qp->resp_depth = attr->max_dest_rd_atomic; + } mthca_free_mailbox(dev, mailbox); -- 0.99.9n - 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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