Is iounmap(NULL) safe or not?

Benjamin Herrenschmidt benh at kernel.crashing.org
Sat May 6 17:47:26 AEST 2017


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.



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