vhost: error handling fix
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>
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@ -298,6 +298,7 @@ static long vhost_dev_set_owner(struct vhost_dev *dev)
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return 0;
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err_cgroup:
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kthread_stop(worker);
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dev->worker = NULL;
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err_worker:
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if (dev->mm)
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mmput(dev->mm);
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