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authorDavid S. Miller <davem@davemloft.net>2018-09-12 22:22:42 -0700
committerDavid S. Miller <davem@davemloft.net>2018-09-12 22:22:42 -0700
commitaaf9253025e80cf8f62d7b33670e84e838eec5a3 (patch)
treef13b307c8407cc05ff803c4d7f6a0967d85ce3ec /drivers/infiniband/hw/cxgb4/qp.c
parenta20625e49ddefc250c221478fb0dc62ea27722a6 (diff)
parent7428b2e5d0b195f2a5e40f91d2b41a8503fcfe68 (diff)
downloadblackbird-obmc-linux-aaf9253025e80cf8f62d7b33670e84e838eec5a3.tar.gz
blackbird-obmc-linux-aaf9253025e80cf8f62d7b33670e84e838eec5a3.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/qp.c')
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index b3203afa3b1d..347fe18b1a41 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -1685,6 +1685,12 @@ static void flush_qp(struct c4iw_qp *qhp)
schp = to_c4iw_cq(qhp->ibqp.send_cq);
if (qhp->ibqp.uobject) {
+
+ /* for user qps, qhp->wq.flushed is protected by qhp->mutex */
+ if (qhp->wq.flushed)
+ return;
+
+ qhp->wq.flushed = 1;
t4_set_wq_in_error(&qhp->wq, 0);
t4_set_cq_in_error(&rchp->cq);
spin_lock_irqsave(&rchp->comp_handler_lock, flag);
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