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[v2,09/11] IB/rxe: Another fix for broken receive queue draining

Message ID 1503951119-25573-10-git-send-email-andrew.boyer@dell.com (mailing list archive)
State Accepted
Headers show

Commit Message

Andrew Boyer Aug. 28, 2017, 8:11 p.m. UTC 
This fixes another path in rxe_requester() that might overlook stale SKBs,
preventing cleanup.

Fixes: 1217197142d1 ("rxe: fix broken receive queue draining")
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
---
 drivers/infiniband/sw/rxe/rxe_req.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index 7ee465d..24fc0b8 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -594,8 +594,10 @@  int rxe_requester(void *arg)
 	rxe_add_ref(qp);
 
 next_wqe:
-	if (unlikely(!qp->valid))
+	if (unlikely(!qp->valid)) {
+		rxe_drain_req_pkts(qp, true);
 		goto exit;
+	}
 
 	if (unlikely(qp->req.state == QP_STATE_ERROR)) {
 		rxe_drain_req_pkts(qp, true);