From: Feras Daoud
[ Upstream commit 1c3098cdb05207e740715857df7b0998e372f527 ]
This patch fixes Deadlock while executing ipoib_vlan_delete.
The function takes the vlan_rwsem semaphore and calls
unregister_netdevice. The later function calls
ipoib_mcast_stop_thread that
From: Feras Daoud
[ Upstream commit 1c3098cdb05207e740715857df7b0998e372f527 ]
This patch fixes Deadlock while executing ipoib_vlan_delete.
The function takes the vlan_rwsem semaphore and calls
unregister_netdevice. The later function calls
ipoib_mcast_stop_thread that cause workqueue flush.
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