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[v6,06/10] block: Assert that bdrv_release_dirty_bitmap succeeded

Message ID 1468614461-28807-7-git-send-email-jsnow@redhat.com
State New
Headers show

Commit Message

John Snow July 15, 2016, 8:27 p.m. UTC 
From: Fam Zheng <famz@redhat.com>

We use a loop over bs->dirty_bitmaps to make sure the caller is
only releasing a bitmap owned by bs. Let's also assert that in this case
the caller is releasing a bitmap that does exist.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
---
 block/dirty-bitmap.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
index a71c9b7..39e072a 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -305,6 +305,9 @@  static void bdrv_do_release_matching_dirty_bitmap(BlockDriverState *bs,
             }
         }
     }
+    if (bitmap) {
+        abort();
+    }
 }
 
 void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap)