block: Make bdrv_is_inserted() recursive
If bdrv_is_inserted() is called on the top level BDS, it should make
sure all nodes in the BDS tree are actually inserted.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block.c b/block.c
index bdd3338..bb8c067 100644
--- a/block.c
+++ b/block.c
@@ -3143,14 +3143,20 @@
bool bdrv_is_inserted(BlockDriverState *bs)
{
BlockDriver *drv = bs->drv;
+ BdrvChild *child;
if (!drv) {
return false;
}
- if (!drv->bdrv_is_inserted) {
- return true;
+ if (drv->bdrv_is_inserted) {
+ return drv->bdrv_is_inserted(bs);
}
- return drv->bdrv_is_inserted(bs);
+ QLIST_FOREACH(child, &bs->children, next) {
+ if (!bdrv_is_inserted(child->bs)) {
+ return false;
+ }
+ }
+ return true;
}
/**
