Commit 86f46aba authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Doug Ledford
Browse files

IB/core: Protect against self-requeue of a cq work item



We need to make sure that the cq work item does not
run when we are destroying the cq. Unlike flush_work,
cancel_work_sync protects against self-requeue of the
work item (which we can do in ib_cq_poll_work).

Signed-off-by: default avatarSagi Grimberg <sagi@grimberg.me>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarBart Van Assche <bart.vanassche@sandisk.com&gt;-->
Reviewed-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 871a8623
......@@ -196,7 +196,7 @@ void ib_free_cq(struct ib_cq *cq)
irq_poll_disable(&cq->iop);
break;
case IB_POLL_WORKQUEUE:
flush_work(&cq->work);
cancel_work_sync(&cq->work);
break;
default:
WARN_ON_ONCE(1);
......
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