linux-kernel - Re: [PATCH] staging: dgrp: dgrp_tty.c: Audit the return values of get/put

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Date:	Mon, 19 Nov 2012 16:39:13 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Kumar amit mehta <gmate.amit@...il.com>
Cc:	gregkh@...uxfoundation.org, alan@...rguk.ukuu.org.uk,
	wfp5p@...ginia.edu, geert@...ux-m68k.org,
	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
	devel@...verdev.osuosl.org
Subject: Re: [PATCH] staging: dgrp: dgrp_tty.c: Audit the return values of
 get/put_user()

On Mon, Nov 19, 2012 at 06:38:29PM +0530, Kumar amit mehta wrote:
> On Mon, Nov 19, 2012 at 02:15:54PM +0300, Dan Carpenter wrote:
> > On Mon, Nov 19, 2012 at 04:25:31PM +0530, Kumar Amit Mehta wrote:
> > > -- fix for missing audits for return values of get_user() and put_user().
> > > -- Remove the TIOCSSOFTCAR ioctl handling from dgrp driver.
> > 
> > These should be done in separate commits.
> > 
> > Are the calls to access_ok() still needed if we check get_user() and
> > put_user()?
> >
> You are right, access_ok() would become redundant if we check get/put_user().
> Also, After sending one patch for removing TIOCSSOFTCAR ioctl handler from dgrp
> driver, I realized that I should be sending two patches as patch series. Please
> correct me if I'm wrong.

Patch series are better, yes.  But in this case it's not a big deal
and should apply fine so don't bother resending.

regards,
dan carpenter

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