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SubjectRe: [PATCH 1/2 v4] Driver for Freescale 8610 and 5121 DIU
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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



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