From: Michael S. Tsirkin <mst@redhat.com>
Date: Thu, 2 Sep 2010 11:16:36 +0000 (+0300)
Subject: vhost: error handling fix
X-Git-Tag: v2.6.36-rc4~6^2^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=615cc2211c17ed05a2a5d94abdac6c340a8ea508;p=platform%2Fupstream%2Fkernel-adaptation-pc.git

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>
---

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 1afa085..c579dcc 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -298,6 +298,7 @@ static long vhost_dev_set_owner(struct vhost_dev *dev)
 	return 0;
 err_cgroup:
 	kthread_stop(worker);
+	dev->worker = NULL;
 err_worker:
 	if (dev->mm)
 		mmput(dev->mm);