From: Jonathan Corbet on
On Thu, 08 Apr 2010 20:22:57 +0200
Florian Tobias Schandinat <FlorianSchandinat(a)gmx.de> wrote:

> > if (!viafbinfo->screen_base) {
> > printk(KERN_INFO "ioremap failed\n");
> > - return -ENOMEM;
> > + rc = -EIO;
>
> I don't know whether this is right (changing the return code) as Andrew
> recommend a while ago:
> "It should return -ENOMEM rather than -1, but that's minor."
> So I did and now I wonder which one is correct?

To me it seems like -ENOMEM could be a bit confusing here; there's a lot of
things that could go wrong with that same error return.

That said, I did some digging around, and -ENOMEM does seem to be the
standard response to an ioremap() failure. So I've changed it back.

> > if (!viafbinfo1) {
> > printk(KERN_ERR
> > "allocate the second framebuffer struct error\n");
> > - framebuffer_release(viafbinfo);
> > - return -ENOMEM;
>
> rc = -ENOMEM;
> is missing?

Indeed. Fixed.

Thanks,

jon
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