Re: [PATCH] mtd: fix possible memory leak in logfs_mtd_can_write_buf()

[prasad <prasadjoshi.linux@gmail.com>]

On Sun, Sep 02, 2012 at 10:19:06PM +0800, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> 
> buf has been allocated in this function and should be
> freed before leaving from the error handling case.
> 
> spatch with a semantic match is used to found this problem.
> (http://coccinelle.lip6.fr/)
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> ---

Applied, Thanks!

>  fs/logfs/dev_mtd.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/logfs/dev_mtd.c b/fs/logfs/dev_mtd.c
> index 9c50144..427bb73 100644
> --- a/fs/logfs/dev_mtd.c
> +++ b/fs/logfs/dev_mtd.c
> @@ -245,8 +245,8 @@ static int logfs_mtd_can_write_buf(struct super_block *sb, u64 ofs)
>  		goto out;
>  	if (memchr_inv(buf, 0xff, super->s_writesize))
>  		err = -EIO;
> -	kfree(buf);
>  out:
> +	kfree(buf);
>  	return err;
>  }
>  
> 
>