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-rw-r--r--include/block/block.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/block/block.h b/include/block/block.h
index f62f38e..ff951ea 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -520,7 +520,8 @@ void bdrv_unref_child(BlockDriverState *parent, BdrvChild *child);
BdrvChild *bdrv_attach_child(BlockDriverState *parent_bs,
BlockDriverState *child_bs,
const char *child_name,
- const BdrvChildRole *child_role);
+ const BdrvChildRole *child_role,
+ Error **errp);
bool bdrv_op_is_blocked(BlockDriverState *bs, BlockOpType op, Error **errp);
void bdrv_op_block(BlockDriverState *bs, BlockOpType op, Error *reason);