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authorErez Shitrit <erezsh@mellanox.com>2017-07-12 10:40:25 +0300
committerLeon Romanovsky <leon@kernel.org>2017-07-23 09:45:11 +0300
commit6bdc8de2e86e717124a715ecc480892a2c331ff5 (patch)
treee5e845fac6d7fa870454577ec452267a66e2bae7 /drivers/infiniband
parentedf3f301db7af7e784d06f7059dfc8a69359af13 (diff)
downloadlinux-6bdc8de2e86e717124a715ecc480892a2c331ff5.tar.xz
IB/ipoib: Use cancel_delayed_work_sync when needed
The work mcast_task can re-queue itself, so instead of doing cancel && flush_workqueue, that still can leave a queued task on the air, use cancel_delayed_work_sync. Also, no need to use lock over the cancel, the original lock was due to bit assignment setting (IPOIB_MCAST_RUN) that is not in use anymore. Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 0a0b2ce45cbc..f80bf0f5d7cf 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -684,15 +684,10 @@ void ipoib_mcast_start_thread(struct net_device *dev)
int ipoib_mcast_stop_thread(struct net_device *dev)
{
struct ipoib_dev_priv *priv = ipoib_priv(dev);
- unsigned long flags;
ipoib_dbg_mcast(priv, "stopping multicast thread\n");
- spin_lock_irqsave(&priv->lock, flags);
- cancel_delayed_work(&priv->mcast_task);
- spin_unlock_irqrestore(&priv->lock, flags);
-
- flush_workqueue(priv->wq);
+ cancel_delayed_work_sync(&priv->mcast_task);
return 0;
}