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From: Andrew Morton <akpm@linux-foundation.org>
To: Sebastian Capella <sebastian.capella@linaro.org>
Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linaro-kernel@lists.linaro.org, patches@linaro.org,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Serge Hallyn <serge.hallyn@canonical.com>,
	Stephen Warren <swarren@nvidia.com>, Jens Axboe <axboe@kernel.dk>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PATCH v3 1/2] init/do_mounts.c: ignore final \n in name_to_dev_t
Date: Thu, 3 Oct 2013 14:15:23 -0700	[thread overview]
Message-ID: <20131003141523.8b60ab988799af7e2b2c338b@linux-foundation.org> (raw)
In-Reply-To: <1380834638-24035-2-git-send-email-sebastian.capella@linaro.org>

On Thu,  3 Oct 2013 14:10:37 -0700 Sebastian Capella <sebastian.capella@linaro.org> wrote:

> Enhance name_to_dev_t to handle trailing newline characters
> on device paths.  Some inputs to name_to_dev_t may come from
> userspace where oftentimes a '\n' is appended to the path.
> Added const to the name buffer in both the function
> declaration and the prototype to reflect input buffer
> handling.
> 
> By handling trailing newlines in name_to_dev_t, userspace
> buffers may be directly passed to name_to_dev_t without
> modification.

We have lib/string.c:strim() - perhaps this patch would be
neater if it were to use it?

WARNING: multiple messages have this Message-ID (diff)
From: akpm@linux-foundation.org (Andrew Morton)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 1/2] init/do_mounts.c: ignore final \n in name_to_dev_t
Date: Thu, 3 Oct 2013 14:15:23 -0700	[thread overview]
Message-ID: <20131003141523.8b60ab988799af7e2b2c338b@linux-foundation.org> (raw)
In-Reply-To: <1380834638-24035-2-git-send-email-sebastian.capella@linaro.org>

On Thu,  3 Oct 2013 14:10:37 -0700 Sebastian Capella <sebastian.capella@linaro.org> wrote:

> Enhance name_to_dev_t to handle trailing newline characters
> on device paths.  Some inputs to name_to_dev_t may come from
> userspace where oftentimes a '\n' is appended to the path.
> Added const to the name buffer in both the function
> declaration and the prototype to reflect input buffer
> handling.
> 
> By handling trailing newlines in name_to_dev_t, userspace
> buffers may be directly passed to name_to_dev_t without
> modification.

We have lib/string.c:strim() - perhaps this patch would be
neater if it were to use it?

  reply	other threads:[~2013-10-03 21:15 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-03 21:10 [PATCH v3 0/2] PM / Hibernate: sysfs resume Sebastian Capella
2013-10-03 21:10 ` Sebastian Capella
2013-10-03 21:10 ` [PATCH v3 1/2] init/do_mounts.c: ignore final \n in name_to_dev_t Sebastian Capella
2013-10-03 21:10   ` Sebastian Capella
2013-10-03 21:15   ` Andrew Morton [this message]
2013-10-03 21:15     ` Andrew Morton
2013-10-03 21:42     ` Sebastian Capella
2013-10-03 21:42       ` Sebastian Capella
2013-10-03 23:47       ` Sebastian Capella
2013-10-03 23:47         ` Sebastian Capella
2013-10-10 17:50         ` Sebastian Capella
2013-10-10 17:50           ` Sebastian Capella
2013-10-10 22:47           ` Eric W. Biederman
2013-10-10 22:47             ` Eric W. Biederman
2013-10-10 23:39             ` Sebastian Capella
2013-10-10 23:39               ` Sebastian Capella
2013-10-22 17:54           ` Sebastian Capella
2013-10-22 17:54             ` Sebastian Capella
2014-01-28 18:59             ` Sebastian Capella
2014-01-28 18:59               ` Sebastian Capella
2014-01-28 20:54               ` Andrew Morton
2014-01-28 20:54                 ` Andrew Morton
2014-01-28 20:58                 ` Sebastian Capella
2014-01-28 20:58                   ` Sebastian Capella
2014-01-29 18:29                   ` Sebastian Capella
2014-01-29 18:29                     ` Sebastian Capella
2014-01-29 18:41                     ` Andrew Morton
2014-01-29 18:41                       ` Andrew Morton
2013-10-03 21:10 ` [PATCH v3 2/2] PM / Hibernate: use name_to_dev_t to parse resume Sebastian Capella
2013-10-03 21:10   ` Sebastian Capella

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