Subject: Re: Is iounmap(NULL) safe or not?

From: Benjamin Herrenschmidt <[email-masked]>
Date: Sat, 06 May 2017 09:47:26 +0200

On Sat, 2017-05-06 at 01:50 +0300, Alexey Khoroshilov wrote:
> Could you please clarify if iounmap(NULL) safe or not.
> I guess it would be less errorprone if the answer is architecture independent.

I think it's supposed to be and we should fix ppc.

Cheers,
Ben.