OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Btrfs: kfree correct pointer during mount option parsing 

We kstrdup the options string, but then strsep screws with the pointer,
so when we kfree() it, we're not giving it the right pointer.

Tested-by: Andy Lutomirski <luto@mit.edu>

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Josef Bacik 2010-02-25 20:38:35 +00:00 committed by Chris Mason
parent 6bef4d3171
commit da495ecc0f
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
fs/btrfs/super.c
View File

@ -128,7 +128,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
{
struct btrfs_fs_info *info = root->fs_info;
substring_t args[MAX_OPT_ARGS];
char *p, *num;
char *p, *num, *orig;
int intarg;
int ret = 0;
@ -143,6 +143,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
if (!options)
return -ENOMEM;
orig = options;
while ((p = strsep(&options, ",")) != NULL) {
int token;
@ -280,7 +281,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
}
}
out:
kfree(options);
kfree(orig);
return ret;
}