From: Dan Carpenter <dan.carpenter@oracle.com>
To: Ian Abbott <abbotti@mev.co.uk>
Cc: H Hartley Sweeten <hartleys@visionengravers.com>,
"devel@driverdev.osuosl.org" <devel@driverdev.osuosl.org>,
"fmhess@users.sourceforge.net" <fmhess@users.sourceforge.net>,
Ian Abbott <ian.abbott@mev.co.uk>,
Linux Kernel <linux-kernel@vger.kernel.org>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
Subject: Re: [PATCH] staging: comedi: serial2002: quiet NULL pointer sparse noise
Date: Fri, 8 Jun 2012 09:51:25 +0300 [thread overview]
Message-ID: <20120608065125.GL4400@mwanda> (raw)
In-Reply-To: <4FD19FBB.4040507@mev.co.uk>
On Fri, Jun 08, 2012 at 07:46:19AM +0100, Ian Abbott wrote:
> On 08/06/12 01:14, H Hartley Sweeten wrote:
> >Quiet a number of sparse warnings in this file:
> >
> >warning: Using plain integer as NULL pointer
>
> I wonder why sparse warns about that for a literal, unadorned 0? I
> suppose NULL is more explicit, but a plain 0 means the same as NULL
> in a pointer context (unlike a zero from some random expression).
>
http://lwn.net/Articles/93574/
regards,
dan carpenter
next prev parent reply other threads:[~2012-06-08 6:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-08 0:14 [PATCH] staging: comedi: serial2002: quiet NULL pointer sparse noise H Hartley Sweeten
2012-06-08 6:46 ` Ian Abbott
2012-06-08 6:51 ` Dan Carpenter [this message]
2012-06-08 9:07 ` Ian Abbott
2012-06-08 9:48 ` Dan Carpenter
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