block/copy-before-write: drop extra bdrv_unref on failure path
commit451532311a6c37ac58794305c88307bd7c54526f
authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Tue, 24 Aug 2021 08:38:33 +0000 (24 11:38 +0300)
committerHanna Reitz <hreitz@redhat.com>
Wed, 1 Sep 2021 12:03:47 +0000 (1 14:03 +0200)
treec796d6335d368f5951c0c6b0b29f7f637531fc39
parent3860c0201924d9f7f9b125b8bdda8a8627de4a08
block/copy-before-write: drop extra bdrv_unref on failure path

bdrv_attach_child() do bdrv_unref() on failure, so we shouldn't do it
by hand here.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210824083856.17408-12-vsementsov@virtuozzo.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
block/copy-before-write.c