From 15bac0d54f78adb5e255155a69e56ab7f6d8c8ea Mon Sep 17 00:00:00 2001
From: Stefan Weil <sw@weilnetz.de>
Date: Thu, 17 Jan 2013 21:45:25 +0100
Subject: block: Use error code EMEDIUMTYPE for wrong format in some block
 drivers

This improves error reports for bochs, cow, qcow, qcow2, qed and vmdk
when a file with the wrong format is selected.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/cow.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'block/cow.c')

diff --git a/block/cow.c b/block/cow.c
index a33ce95..4baf904 100644
--- a/block/cow.c
+++ b/block/cow.c
@@ -73,7 +73,7 @@ static int cow_open(BlockDriverState *bs, int flags)
     }
 
     if (be32_to_cpu(cow_header.magic) != COW_MAGIC) {
-        ret = -EINVAL;
+        ret = -EMEDIUMTYPE;
         goto fail;
     }
 
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