From e06f4639d8a93703eecc3aad06c8a3e9b2ef4968 Mon Sep 17 00:00:00 2001
From: Fam Zheng
Date: Fri, 29 Jun 2018 14:03:26 +0800
Subject: qcow2: Fix src_offset in copy offloading

Not updating src_offset will result in wrong data being written to dst
image.

Reported-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/qcow2.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'block')

diff --git a/block/qcow2.c b/block/qcow2.c
index 286640c0e3..2f9e58e0c4 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -3387,6 +3387,7 @@ qcow2_co_copy_range_to(BlockDriverState *bs,
         }
 
         bytes -= cur_bytes;
+        src_offset += cur_bytes;
         dst_offset += cur_bytes;
     }
     ret = 0;
-- 
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