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>
diff --git a/drivers/infiniband/hw/i40iw/i40iw_uk.c b/drivers/infiniband/hw/i40iw/i40iw_uk.c
index 2cd9091..e35faea8 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_uk.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_uk.c
@@ -802,6 +802,10 @@
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 @@
ret_code = 0;
+exit:
if (!ret_code &&
(info->comp_status == I40IW_COMPL_STATUS_FLUSHED))
if (pring && (I40IW_RING_MORE_WORK(*pring)))