linux-kernel - Re: [PATCH 2/2] ubifs: Reduce kfree() calls in ubifs_purge

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <2012c8b6-b960-d597-481d-5f051686ffe1@huawei.com>
Date: Thu, 26 Sep 2024 19:13:04 +0800
From: Zhihao Cheng <chengzhihao1@...wei.com>
To: Markus Elfring <Markus.Elfring@....de>, <linux-mtd@...ts.infradead.org>,
	Richard Weinberger <richard@....at>
CC: LKML <linux-kernel@...r.kernel.org>, <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH 2/2] ubifs: Reduce kfree() calls in ubifs_purge_xattrs()

在 2024/9/26 17:50, Markus Elfring 写道:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Thu, 26 Sep 2024 11:28:48 +0200
> 
> Move a pair of kfree() calls behind the label “out_err”
> so that two statements can be better reused at the end of
> this function implementation.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>   fs/ubifs/xattr.c | 6 ++----
>   1 file changed, 2 insertions(+), 4 deletions(-)
> 

Reviewed-by: Zhihao Cheng <chengzhihao1@...wei.com>
> diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c
> index 7757959e9f09..a514dc4dc535 100644
> --- a/fs/ubifs/xattr.c
> +++ b/fs/ubifs/xattr.c
> @@ -532,8 +532,6 @@ int ubifs_purge_xattrs(struct inode *host)
>   			ubifs_err(c, "dead directory entry '%s', error %d",
>   				  xent->name, err);
>   			ubifs_ro_mode(c, err);
> -			kfree(pxent);
> -			kfree(xent);
>   			goto out_err;
>   		}
> 
> @@ -543,8 +541,6 @@ int ubifs_purge_xattrs(struct inode *host)
>   		err = remove_xattr(c, host, xino, &nm);
>   		iput(xino);
>   		if (err) {
> -			kfree(pxent);
> -			kfree(xent);
>   			ubifs_err(c, "cannot remove xattr, error %d", err);
>   			goto out_err;
>   		}
> @@ -564,6 +560,8 @@ int ubifs_purge_xattrs(struct inode *host)
>   	return 0;
> 
>   out_err:
> +	kfree(pxent);
> +	kfree(xent);
>   	up_write(&ubifs_inode(host)->xattr_sem);
>   	return err;
>   }
> --
> 2.46.1
> 
> .
>