linux-kernel - Re: [PATCH] fs: reiserfs: Use kstrdup function

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Date:	Mon, 15 Apr 2013 13:52:00 +0200
From:	Jan Kara <jack@...e.cz>
To:	Alexandru Gheorghiu <gheorghiuandru@...il.com>
Cc:	Jan Kara <jack@...e.cz>, Al Viro <viro@...iv.linux.org.uk>,
	Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>,
	linux-kernel@...r.kernel.org
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 <gheorghiuandru@...il.com>
> ---
>  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 <jack@...e.cz>
SUSE Labs, CR
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