From: Dan Carpenter <error27@gmail.com>
To: Kulikov Vasiliy <segooon@gmail.com>
Cc: kernel-janitors@vger.kernel.org,
Greg Kroah-Hartman <gregkh@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
Greg Ungerer <gerg@uclinux.org>,
Christoph Egger <siccegge@cs.fau.de>, Tejun Heo <tj@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/7] 68328serial: check return value of copy_*_user() instead of access_ok()
Date: Sat, 31 Jul 2010 21:09:08 +0200 [thread overview]
Message-ID: <20100731190907.GE26313@bicker> (raw)
In-Reply-To: <1280597881-8365-1-git-send-email-segooon@gmail.com>
On Sat, Jul 31, 2010 at 09:38:00PM +0400, Kulikov Vasiliy wrote:
> - sizeof(struct m68k_serial)))
> - return -EFAULT;
> - copy_to_user((struct m68k_serial *) arg,
> + return copy_to_user((struct m68k_serial *) arg,
> info, sizeof(struct m68k_serial));
We should return if -EFAULT copy_to_user() failes here.
> - return 0;
> -
> default:
> return -ENOIOCTLCMD;
> }
Smatch would have caught that but I don't have a cross compile
environment set up.
regards,
dan carpenter
next prev parent reply other threads:[~2010-07-31 19:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-31 17:38 [PATCH 1/7] 68328serial: check return value of copy_*_user() instead of access_ok() Kulikov Vasiliy
2010-07-31 19:09 ` Dan Carpenter [this message]
2010-08-01 6:14 ` Vasiliy Kulikov
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