[Qemu-devel] [PATCH for-4.1 2/2] block: Clear the backing_file fields on detach

[Alberto Garcia]

Signed-off-by: Alberto Garcia <be...@igalia.com>
---
 block.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/block.c b/block.c
index e496999e2f..e9c0c9e2ad 100644
--- a/block.c
+++ b/block.c
@@ -1085,6 +1085,9 @@ static void bdrv_backing_detach(BdrvChild *c)
     error_free(parent->backing_blocker);
     parent->backing_blocker = NULL;
 
+    parent->backing_file[0] = '\0';
+    parent->backing_format[0] = '\0';
+
     bdrv_child_cb_detach(c);
 }
 
-- 
2.11.0