if the call is invoked through bdrv_is_allocated the caller might
expect *pnum = 0 on error. however, a new implementation of
bdrv_get_block_status might only return a negative exit value on
error while keeping *pnum untouched.
Reviewed-by: Eric Blake <ebl...@redhat.com>
Signed-off-by: Peter Lieven <p...@kamp.de>
---
block.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block.c b/block.c
index 88b137c..805ee26 100644
--- a/block.c
+++ b/block.c
@@ -3188,6 +3188,7 @@ static int64_t coroutine_fn
bdrv_co_get_block_status(BlockDriverState *bs,
ret = bs->drv->bdrv_co_get_block_status(bs, sector_num, nb_sectors, pnum);
if (ret < 0) {
+ *pnum = 0;
return ret;
}
--
1.7.9.5
