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| author |   Yuval Shaia <yuval.shaia@oracle.com> | 2016-07-27 01:24:53 -0700 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2016-08-22 14:26:53 -0400 |
| commit | 5412352fcd8fba7f278ae8c9ba36296716f17ae8 (patch) | |
| tree | 5035bb5c0729cd93db2f7ef27d620e46eab958db /drivers/infiniband/hw/mlx4/cq.c | |
| parent | IB/mlx4: Make function use_tunnel_data return void (diff) | |
| download | linux-dev-5412352fcd8fba7f278ae8c9ba36296716f17ae8.tar.xz linux-dev-5412352fcd8fba7f278ae8c9ba36296716f17ae8.zip | |
IB/mlx4: Return EAGAIN for any error in mlx4_ib_poll_one
Error code EAGAIN should be used when errors are temporary and next call
might succeeds.
When error code other than EAGAIN is returned, the caller (mlx4_ib_poll)
will assume all CQE in the same bunch are error too and will drop them all.
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx4/cq.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/cq.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 15b628996633..006db6436e3b 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -690,7 +690,7 @@ repoll: if (unlikely((cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) == MLX4_OPCODE_NOP && is_send)) { pr_warn("Completion for NOP opcode detected!\n"); - return -EINVAL; + return -EAGAIN; } /* Resize CQ in progress */ @@ -721,7 +721,7 @@ repoll: if (unlikely(!mqp)) { pr_warn("CQ %06x with entry for unknown QPN %06x\n", cq->mcq.cqn, be32_to_cpu(cqe->vlan_my_qpn) & MLX4_CQE_QPN_MASK); - return -EINVAL; + return -EAGAIN; } *cur_qp = to_mibqp(mqp); @@ -739,7 +739,7 @@ repoll: if (unlikely(!msrq)) { pr_warn("CQ %06x with entry for unknown SRQN %06x\n", cq->mcq.cqn, srq_num); - return -EINVAL; + return -EAGAIN; } } |