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um: vector: fix missing unlock on error in vector_net_open() 

Add the missing unlock before return from function vector_net_open()
in the error handling case.

Fixes: ad1f62ab2bd4 ("High Performance UML Vector Network Driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Wei Yongjun 2018-01-05 07:22:52 +00:00 committed by Richard Weinberger
parent f16685014e
commit 9f3199bcef
1 changed files with 3 additions and 1 deletions
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4
arch/um/drivers/vector_kern.c
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@ -1156,8 +1156,10 @@ static int vector_net_open(struct net_device *dev)
struct vector_device *vdevice;
spin_lock_irqsave(&vp->lock, flags);
if (vp->opened)
if (vp->opened) {
spin_unlock_irqrestore(&vp->lock, flags);
return -ENXIO;
}
vp->opened = true;
spin_unlock_irqrestore(&vp->lock, flags);