From: Loïc Minier <loic.minier@linaro.org>
Date: Sat, 21 Aug 2010 22:47:23 +0000 (+0200)
Subject: vvfat: fat_chksum(): fix access above array bounds
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2aa326be0d2039f51192707bdb2fc935d0e87c21;p=qemu.git

vvfat: fat_chksum(): fix access above array bounds

Signed-off-by: Loïc Minier <loic.minier@linaro.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---

diff --git a/block/vvfat.c b/block/vvfat.c
index 6d61c2e6c3..365332aa21 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -512,7 +512,7 @@ static inline uint8_t fat_chksum(const direntry_t* entry)
     for(i=0;i<11;i++) {
         unsigned char c;
 
-        c = (i <= 8) ? entry->name[i] : entry->extension[i-8];
+        c = (i < 8) ? entry->name[i] : entry->extension[i-8];
         chksum=(((chksum&0xfe)>>1)|((chksum&0x01)?0x80:0)) + c;
     }