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vhost: error handling fix

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vhost should set worker to NULL on cgroups attach failure,
so that we won't try to destroy the worker again on close.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin
2010-09-02 14:16:36 +03:00
parent 87d6a412bd
commit 615cc2211c
1 changed files with 1 additions and 0 deletions
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drivers/vhost/vhost.c
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@@ -298,6 +298,7 @@ static long vhost_dev_set_owner(struct vhost_dev *dev)
return 0; return 0;
err_cgroup: err_cgroup:
kthread_stop(worker); kthread_stop(worker);
dev->worker = NULL;
err_worker: err_worker:
if (dev->mm) if (dev->mm)
mmput(dev->mm); mmput(dev->mm);