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From: Guenter Roeck <linux@roeck-us.net>
To: Richard Guy Briggs <rgb@redhat.com>, Paul Moore <pmoore@redhat.com>
Cc: linux-fsdevel@vger.kernel.org, linux-audit@redhat.com,
	sd@queasysnail.net, linux-kernel@vger.kernel.org,
	viro@zeniv.linux.org.uk
Subject: Re: [PATCH v2 1/5] fs: rework getname_kernel to handle up to PATH_MAX sized filenames
Date: Thu, 22 Jan 2015 08:56:50 -0800	[thread overview]
Message-ID: <54C12BD2.7040705@roeck-us.net> (raw)
In-Reply-To: <20150122155316.GH18752@madcap2.tricolour.ca>

On 01/22/2015 07:53 AM, Richard Guy Briggs wrote:
> On 15/01/21, Paul Moore wrote:
>> In preparation for expanded use in the kernel, make getname_kernel()
>> more useful by allowing it to handle any legal filename length.
>>
>> Thanks to Guenter Roeck for his suggestion to substitute memcpy() for
>> strlcpy().
>>
>> CC: linux@roeck-us.net
>> CC: viro@zeniv.linux.org.uk
>> CC: linux-fsdevel@vger.kernel.org
>> Signed-off-by: Paul Moore <pmoore@redhat.com>
>
> Noted memcpy() difference (I assume to avoid races).
>

It is more efficient to use memcpy if the string length is known.

Guenter


  reply	other threads:[~2015-01-22 16:57 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-22  4:59 [PATCH v2 0/5] Overhaul the audit filename handling Paul Moore
2015-01-22  4:59 ` [PATCH v2 1/5] fs: rework getname_kernel to handle up to PATH_MAX sized filenames Paul Moore
2015-01-22 15:53   ` Richard Guy Briggs
2015-01-22 16:56     ` Guenter Roeck [this message]
2015-01-22  5:00 ` [PATCH v2 2/5] fs: create proper filename objects using getname_kernel() Paul Moore
2015-01-22 15:54   ` Richard Guy Briggs
2015-01-22  5:00 ` [PATCH v2 3/5] audit: enable filename recording via getname_kernel() Paul Moore
2015-01-22  5:00 ` [PATCH v2 4/5] audit: fix filename matching in __audit_inode() and __audit_inode_child() Paul Moore
2015-01-22 16:04   ` Richard Guy Briggs
2015-01-22  5:00 ` [PATCH v2 5/5] audit: replace getname()/putname() hacks with reference counters Paul Moore
2015-01-22 16:09   ` Richard Guy Briggs
2015-01-22 16:24     ` Paul Moore
2015-01-22  5:36 ` [PATCH v2 0/5] Overhaul the audit filename handling Guenter Roeck
2015-01-22  7:54   ` Al Viro
2015-01-22 16:23     ` Paul Moore
2015-01-22 21:25       ` Paul Moore
2015-01-22 21:29         ` Al Viro
2015-01-22 21:40           ` Al Viro
2015-01-22 22:05             ` Paul Moore
2015-01-23  5:30             ` Al Viro
2015-01-23 16:15               ` Paul Moore
2015-01-24  9:03               ` Sedat Dilek
2015-01-24 22:54                 ` Stephen Rothwell
2015-01-26 15:52                 ` Paul Moore
2015-01-22 17:13     ` Guenter Roeck
2015-01-22 16:22   ` Paul Moore
2015-01-22 16:58     ` Guenter Roeck

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