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authorKevin Wolf <kwolf@redhat.com>2017-02-17 20:42:32 +0100
committerKevin Wolf <kwolf@redhat.com>2017-02-28 20:47:51 +0100
commit12fa4af61fb2a08b156134c3b6717534c637c995 (patch)
treebd93d226c7af3454aa64b64bdb771b8fc5d22083 /block/vvfat.c
parentc8f6d58edb0defbe1e90d44419ec8ec6d711c341 (diff)
downloadqemu-12fa4af61fb2a08b156134c3b6717534c637c995.tar.gz
block: Add Error parameter to bdrv_set_backing_hd()
Not all callers of bdrv_set_backing_hd() know for sure that attaching the backing file will be allowed by the permission system. Return the error from the function rather than aborting. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Acked-by: Fam Zheng <famz@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block/vvfat.c')
-rw-r--r--block/vvfat.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/vvfat.c b/block/vvfat.c
index 72b482cb1f..aa61c329e7 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -3041,7 +3041,7 @@ static int enable_write_target(BlockDriverState *bs, Error **errp)
&error_abort);
*(void**) backing->opaque = s;
- bdrv_set_backing_hd(s->bs, backing);
+ bdrv_set_backing_hd(s->bs, backing, &error_abort);
bdrv_unref(backing);
return 0;