diff options
| author | Sagi Grimberg <[email protected]> | 2017-03-08 22:00:52 +0200 |
|---|---|---|
| committer | Doug Ledford <[email protected]> | 2017-03-24 16:40:31 -0400 |
| commit | 86f46aba8d1ac3ed0904542158a9b9cb9c7a143c (patch) | |
| tree | e1eaa11ea1e04336059b0b9cba78389bf7e5f03f | |
| parent | 871a8623d3b40221ad1103aff715dfee0aa4dacf (diff) | |
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 <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Bart Van Assche <[email protected]>--
Reviewed-by: Leon Romanovsky <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
| -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); |