From: York Sun <yorksun@freescale.com>
To: avorontsov@ru.mvista.com
Cc: linux-fbdev-devel@lists.sourceforge.net, a.p.zijlstra@chello.nl,
linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
Scott Wood <scottwood@freescale.com>,
akpm@linux-foundation.org, Timur Tabi <timur@freescale.com>
Subject: Re: [PATCH 1/2 v4] Driver for Freescale 8610 and 5121 DIU
Date: Fri, 28 Mar 2008 13:18:49 -0500 [thread overview]
Message-ID: <1206728329.10785.12.camel@laptop> (raw)
In-Reply-To: <20080328174853.GA1438@localhost.localdomain>
On Fri, 2008-03-28 at 20:48 +0300, Anton Vorontsov wrote:
> > >+ if (copy_from_user(&pix_fmt, (void __user *)arg,
> > >+ sizeof(pix_fmt)))
> >
> > OK, you fixed the cast here...
>
> Maybe better would be to define "buf" at the top of this function as
> void __user *buf = (void __user *)arg;, i.e. just once?
I think it is a good idea.
>
> >
> > >+ return -EFAULT;
> > >+ ad->pix_fmt = pix_fmt;
> > >+ pr_debug("Set pixel format to 0x%08x\n", ad->pix_fmt);
> > >+ break;
> > >+ case MFB_GET_PIXFMT:
> > >+ if (!arg)
> > >+ return -EINVAL;
>
> This if (!arg) appears to be everywhere except default: label, maybe
> this could be placed on top too?
Will do that, too.
York
next prev parent reply other threads:[~2008-03-28 18:18 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-28 2:40 v4 patch to add FSL DIU framebuffer driver York Sun
2008-03-28 2:40 ` [PATCH 1/2 v4] Driver for Freescale 8610 and 5121 DIU York Sun
2008-03-28 2:40 ` [PATCH 2/2 v4] Add DIU platform code for MPC8610HPCD York Sun
2008-03-28 17:19 ` Scott Wood
2008-03-28 17:30 ` [PATCH 1/2 v4] Driver for Freescale 8610 and 5121 DIU Scott Wood
2008-03-28 17:48 ` Anton Vorontsov
2008-03-28 18:18 ` York Sun [this message]
2008-03-28 18:07 ` Timur Tabi
2008-03-28 18:09 ` Scott Wood
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