Re-initializing the wait object in rdma_init()/rdma_fini() causes a
timing window which can lead to a deadlock during close. Once this
deadlock hits, all RDMA activity over the T4 device will be stuck.
There's no need to re-init the wait object, so remove it.
Signed-off-by: Steve Wise <sw...@opengridcomputing.com>
Cc: <sta...@kernel.org>
---
drivers/infiniband/hw/cxgb4/qp.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 057cb25..3ccb765 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -1029,7 +1029,6 @@ static int rdma_fini(struct c4iw_dev *rhp, struct c4iw_qp
*qhp,
wqe->cookie = (unsigned long) &ep->com.wr_wait;
wqe->u.fini.type = FW_RI_TYPE_FINI;
- c4iw_init_wr_wait(&ep->com.wr_wait);
ret = c4iw_ofld_send(&rhp->rdev, skb);
if (ret)
goto out;
@@ -1125,7 +1124,6 @@ static int rdma_init(struct c4iw_dev *rhp, struct c4iw_qp
*qhp)
if (qhp->attr.mpa_attr.initiator)
build_rtr_msg(qhp->attr.mpa_attr.p2p_type, &wqe->u.init);
- c4iw_init_wr_wait(&qhp->ep->com.wr_wait);
ret = c4iw_ofld_send(&rhp->rdev, skb);
if (ret)
goto out;
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
