vhost: stop worker only if created
authorEric Dumazet <eric.dumazet@gmail.com>
Tue, 31 Aug 2010 02:05:57 +0000 (02:05 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 1 Sep 2010 21:26:13 +0000 (14:26 -0700)
Its currently illegal to call kthread_stop(NULL)

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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