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| author |   Sagi Grimberg <sagi@grimberg.me> | 2017-03-08 22:00:52 +0200 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-03-24 16:40:31 -0400 |
| commit | 86f46aba8d1ac3ed0904542158a9b9cb9c7a143c (patch) | |
| tree | e1eaa11ea1e04336059b0b9cba78389bf7e5f03f /drivers/infiniband/core | |
| parent | i40iw: Receive netdev events post INET_NOTIFIER state (diff) | |
| download | linux-dev-86f46aba8d1ac3ed0904542158a9b9cb9c7a143c.tar.xz linux-dev-86f46aba8d1ac3ed0904542158a9b9cb9c7a143c.zip | |
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: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>--
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core')
| -rw-r--r-- | drivers/infiniband/core/cq.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c index e95510117a6d..2746d2eb3d52 100644 --- a/drivers/infiniband/core/cq.c +++ b/drivers/infiniband/core/cq.c @@ -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); |