diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2017-02-17 20:42:32 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2017-02-28 20:47:51 +0100 |
| commit | 12fa4af61fb2a08b156134c3b6717534c637c995 (patch) | |
| tree | bd93d226c7af3454aa64b64bdb771b8fc5d22083 /include | |
| parent | c8f6d58edb0defbe1e90d44419ec8ec6d711c341 (diff) | |
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 'include')
| -rw-r--r-- | include/block/block.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/block/block.h b/include/block/block.h index 07f7561886..eac286124d 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -247,7 +247,8 @@ BdrvChild *bdrv_open_child(const char *filename, BlockDriverState* parent, const BdrvChildRole *child_role, bool allow_none, Error **errp); -void bdrv_set_backing_hd(BlockDriverState *bs, BlockDriverState *backing_hd); +void bdrv_set_backing_hd(BlockDriverState *bs, BlockDriverState *backing_hd, + Error **errp); int bdrv_open_backing_file(BlockDriverState *bs, QDict *parent_options, const char *bdref_key, Error **errp); BlockDriverState *bdrv_open(const char *filename, const char *reference, |