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| author | Jack Morgenstein <jackm@mellanox.co.il> | 2005-12-09 16:40:14 -0800 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2005-12-09 16:40:14 -0800 |
| commit | 44b5b0303327cfb23f135b95b2fe5436c81ed27c (patch) | |
| tree | 7f1dcdaf798dbd99cd2b43709e992e3a12c015a6 /drivers/infiniband/hw/mthca/mthca_qp.c | |
| parent | 6aa2e4e8063114bd7cea8616dd5848d3c64b4c36 (diff) | |
| download | lwn-44b5b0303327cfb23f135b95b2fe5436c81ed27c.tar.gz lwn-44b5b0303327cfb23f135b95b2fe5436c81ed27c.zip | |
IB/mthca: don't change driver's copy of attributes if modify QP fails
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>
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_qp.c')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_qp.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index 84056a8b794e..3543299ecb15 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, struct ib_qp_attr *attr, int attr_mask) 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, struct ib_qp_attr *attr, int attr_mask) 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, struct ib_qp_attr *attr, int attr_mask) 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); |