lkml.org 
[lkml]   [2014]   [Aug]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] f2fs: fix wrong casting for dentry name
Date
The dentry name type is unsigned char *.
If we don't match this type, some character codes can be changed by signed bit.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
fs/f2fs/hash.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/f2fs/hash.c b/fs/f2fs/hash.c
index 948d17bf..a844fcf 100644
--- a/fs/f2fs/hash.c
+++ b/fs/f2fs/hash.c
@@ -42,7 +42,8 @@ static void TEA_transform(unsigned int buf[4], unsigned int const in[])
buf[1] += b1;
}

-static void str2hashbuf(const char *msg, size_t len, unsigned int *buf, int num)
+static void str2hashbuf(const unsigned char *msg, size_t len,
+ unsigned int *buf, int num)
{
unsigned pad, val;
int i;
@@ -73,9 +74,9 @@ f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info)
{
__u32 hash;
f2fs_hash_t f2fs_hash;
- const char *p;
+ const unsigned char *p;
__u32 in[8], buf[4];
- const char *name = name_info->name;
+ const unsigned char *name = name_info->name;
size_t len = name_info->len;

if ((len <= 2) && (name[0] == '.') &&
--
1.8.5.2 (Apple Git-48)


\
 
 \ /
  Last update: 2014-08-29 19:01    [W:0.863 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site