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blockdev: Fix a memleak in drive_backup_prepare() 

'local_err' seems forgot to propagate in error path, it'll cause
a memleak. Fix it.

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
Message-Id: <20201023061218.2080844-7-kuhn.chenqun@huawei.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Pan Nengyuan 2020-10-23 14:12:17 +08:00 committed by Laurent Vivier
parent cb8d0851f1
commit 94237657af
1 changed files with 1 additions and 0 deletions
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blockdev.c
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@ -1827,6 +1827,7 @@ static void drive_backup_prepare(BlkActionState *common, Error **errp)
if (set_backing_hd) {
bdrv_set_backing_hd(target_bs, source, &local_err);
if (local_err) {
error_propagate(errp, local_err);
goto unref;
}
}