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[Qemu-devel] [PATCH 1/1] qcow2: insert assert into qcow2_get_specific_in


From: Denis V. Lunev
Subject: [Qemu-devel] [PATCH 1/1] qcow2: insert assert into qcow2_get_specific_info()
Date: Thu, 10 Dec 2015 12:55:48 +0300

s->qcow_version is always set to 2 or 3. Let's assert if this is wrong.

Signed-off-by: Denis V. Lunev <address@hidden>
CC: Roman Kagan <address@hidden>
CC: Max Reitz <address@hidden>
CC: Kevin Wolf <address@hidden>
---
 block/qcow2.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/block/qcow2.c b/block/qcow2.c
index 88f56c8..b285014 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2757,6 +2757,10 @@ static ImageInfoSpecific 
*qcow2_get_specific_info(BlockDriverState *bs)
             .has_corrupt        = true,
             .refcount_bits      = s->refcount_bits,
         };
+    } else {
+        /* if this assertion fails, this probably means a new version was
+         * added without having it covered here */
+        assert(false);
     }
 
     return spec_info;
-- 
2.1.4




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