From: Marcel Ziswiler <marcel@ziswiler.com>
Date: Fri, 10 Oct 2014 17:53:14 +0200
Subject: [U-Boot] [PATCH] tegra: gpio: fix null label regression
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Hi Simon

On Fri, 2014-10-10 at 09:42 -0600, Simon Glass wrote:
> OK, is it possible to stop calling the function with NULL instead?

Yes, sure. Remember

http://article.gmane.org/gmane.comp.boot-loaders.u-boot/198189

> That is a bug IMO.

Well, that's what I tried to find out digging through the header file.
But I could not quite make out a place where it would state that. Anyway
crashing like that seems rather harsh, not?

Cheers

Marcel