commit | 779020cbdc67011026c10fb620f701bfc6b85547 | [log] [tgz] |
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author | Kevin Wolf <kwolf@redhat.com> | Tue Oct 13 14:09:44 2015 +0200 |
committer | Kevin Wolf <kwolf@redhat.com> | Fri Oct 16 15:34:30 2015 +0200 |
tree | dbfe62a69c310d81f0752b5780df5f95e01bc510 | |
parent | 8e419aefa07ca8e640f8db50b450378e84d60a11 [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>