1 files changed, 3 insertions, 3 deletions

diff --git a/block/io.c b/block/io.c
index d30073036e..cca402bf7b 100644
--- a/block/io.c
+++ b/block/io.c
@@ -3275,16 +3275,16 @@ void bdrv_register_buf(BlockDriverState *bs, void *host, size_t size)
     }
 }
 
-void bdrv_unregister_buf(BlockDriverState *bs, void *host)
+void bdrv_unregister_buf(BlockDriverState *bs, void *host, size_t size)
 {
     BdrvChild *child;
 
     GLOBAL_STATE_CODE();
     if (bs->drv && bs->drv->bdrv_unregister_buf) {
-        bs->drv->bdrv_unregister_buf(bs, host);
+        bs->drv->bdrv_unregister_buf(bs, host, size);
     }
     QLIST_FOREACH(child, &bs->children, next) {
-        bdrv_unregister_buf(child->bs, host);
+        bdrv_unregister_buf(child->bs, host, size);
     }
 }