2013-04-14 21:32:48

by Alexandru Gheorghiu

Subject: [PATCH] fs: reiserfs: Use kstrdup function

Use kstrdup function instead of kmalloc and strcpy.
Patch found using coccinelle.

Signed-off-by: Alexandru Gheorghiu <[email protected]>
---
fs/reiserfs/super.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 194113b..f8a23c3 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1147,8 +1147,7 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin
"on filesystem root.");
return 0;
}
- qf_names[qtype] =
- kmalloc(strlen(arg) + 1, GFP_KERNEL);
+ qf_names[qtype] = kstrdup(arg, GFP_KERNEL);
if (!qf_names[qtype]) {
reiserfs_warning(s, "reiserfs-2502",
"not enough memory "
@@ -1156,7 +1155,6 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin
"quotafile name.");
return 0;
}
- strcpy(qf_names[qtype], arg);
if (qtype == USRQUOTA)
*mount_options |= 1 << REISERFS_USRQUOTA;
else
--
1.7.9.5

2013-04-16 16:36:29

by Jan Kara

Subject: Re: [PATCH] fs: reiserfs: Use kstrdup function

On Fri 12-04-13 04:20:18, Alexandru Gheorghiu wrote:
> Use kstrdup function instead of kmalloc and strcpy.
> Patch found using coccinelle.
Thanks for the patch but I already have a similar patch in my tree.

Honza
>
> Signed-off-by: Alexandru Gheorghiu <[email protected]>
> ---
> fs/reiserfs/super.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
> index 194113b..f8a23c3 100644
> --- a/fs/reiserfs/super.c
> +++ b/fs/reiserfs/super.c
> @@ -1147,8 +1147,7 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin
> "on filesystem root.");
> return 0;
> }
> - qf_names[qtype] =
> - kmalloc(strlen(arg) + 1, GFP_KERNEL);
> + qf_names[qtype] = kstrdup(arg, GFP_KERNEL);
> if (!qf_names[qtype]) {
> reiserfs_warning(s, "reiserfs-2502",
> "not enough memory "
> @@ -1156,7 +1155,6 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin
> "quotafile name.");
> return 0;
> }
> - strcpy(qf_names[qtype], arg);
> if (qtype == USRQUOTA)
> *mount_options |= 1 << REISERFS_USRQUOTA;
> else
> --
> 1.7.9.5
>
--
Jan Kara <[email protected]>
SUSE Labs, CR