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| author | Tatyana Nikolova <Tatyana.E.Nikolova@intel.com> | 2016-04-22 21:14:28 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-04-28 22:32:55 +0200 |
| commit | f8a4e76c75e572a8503410b8f863e7fa420236ba (patch) | |
| tree | be5e3e6561eb6d399297eb0d7ff71e65db046ba4 /drivers/infiniband/hw/i40iw/i40iw_uk.c | |
| parent | RDMA/i40iw: Fix for using one sge for RDMA READ (diff) | |
| download | linux-f8a4e76c75e572a8503410b8f863e7fa420236ba.tar.xz linux-f8a4e76c75e572a8503410b8f863e7fa420236ba.zip | |
RDMA/i40iw: Fix for checking if the QP is destroyed
Fix for checking if the QP associated with a completion
has been destroyed while processing CQ elements.
If that is the case, move the CQ head to the next element
and continue completion processing.
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_uk.c')
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_uk.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_uk.c b/drivers/infiniband/hw/i40iw/i40iw_uk.c index 2cd9091abd3e..e35faea88c13 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_uk.c +++ b/drivers/infiniband/hw/i40iw/i40iw_uk.c @@ -802,6 +802,10 @@ static enum i40iw_status_code i40iw_cq_poll_completion(struct i40iw_cq_uk *cq, info->is_srq = (bool)RS_64(qword3, I40IWCQ_SRQ); qp = (struct i40iw_qp_uk *)(unsigned long)comp_ctx; + if (!qp) { + ret_code = I40IW_ERR_QUEUE_DESTROYED; + goto exit; + } wqe_idx = (u32)RS_64(qword3, I40IW_CQ_WQEIDX); info->qp_handle = (i40iw_qp_handle)(unsigned long)qp; @@ -859,6 +863,7 @@ static enum i40iw_status_code i40iw_cq_poll_completion(struct i40iw_cq_uk *cq, ret_code = 0; +exit: if (!ret_code && (info->comp_status == I40IW_COMPL_STATUS_FLUSHED)) if (pring && (I40IW_RING_MORE_WORK(*pring))) |