linux-ext4 - Re: [PATCH] ext4: check the acl's validity before setting

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Message-ID: <20140408054625.GA28818@infradead.org>
Date:	Mon, 7 Apr 2014 22:46:25 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	ZhangZhen <zhenzhang.zhang@...wei.com>
Cc:	tytso@....edu, Jan Kara <jack@...e.cz>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext4: check the acl's validity before setting

On Tue, Apr 08, 2014 at 10:02:50AM +0800, ZhangZhen wrote:
> Before setting the acl, call posix_acl_valid() to check if it is
> valid or not.

Why? posix_acl_xattr_set already does that for you, and it's the only
way to feed in an ACL from userspace.

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