The flush lock should be tried only if there is some room
left in the WC array supplied from consumer.
Signed-off-by: Devesh Sharma <devesh.sharma@xxxxxxxxxxxx>
---
providers/bnxt_re/verbs.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/providers/bnxt_re/verbs.c b/providers/bnxt_re/verbs.c
index 8e9fd8c..570dfc1 100644
--- a/providers/bnxt_re/verbs.c
+++ b/providers/bnxt_re/verbs.c
@@ -686,12 +686,13 @@ int bnxt_re_poll_cq(struct ibv_cq *ibvcq, int nwc, struct ibv_wc *wc)
cq->deferred_arm_flags = 0;
}
pthread_spin_unlock(&cq->cqq.qlock);
- /* Check if anything is there to flush. */
- pthread_spin_lock(&cntx->fqlock);
left = nwc - dqed;
- if (left)
+ if (left) {
+ /* Check if anything is there to flush. */
+ pthread_spin_lock(&cntx->fqlock);
dqed += bnxt_re_poll_flush_lists(cq, left, (wc + dqed));
- pthread_spin_unlock(&cntx->fqlock);
+ pthread_spin_unlock(&cntx->fqlock);
+ }
return dqed;
}
--
1.8.3.1
