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(parent: 8e419ae) | patch
block: Allow bdrv_unref_child(bs, NULL)
authorKevin Wolf <kwolf@redhat.com>
Tue, 13 Oct 2015 12:09:44 +0000 (14:09 +0200)
committerKevin Wolf <kwolf@redhat.com>
Fri, 16 Oct 2015 13:34:30 +0000 (15:34 +0200)
commit779020cbdc67011026c10fb620f701bfc6b85547
treedbfe62a69c310d81f0752b5780df5f95e01bc510tree
parent8e419aefa07ca8e640f8db50b450378e84d60a11commit | diff
block: Allow bdrv_unref_child(bs, NULL)

bdrv_unref() can be called with a NULL argument and doesn't do anything
then. Make bdrv_unref_child() consistent with it.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
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