From d808aa69a7e85dea850ffe7b3d076be696da35be Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sun, 24 Feb 2013 10:52:18 +0000
Subject: [PATCH] ARM: cleanup: debugfs error handling

Debugfs functions return NULL when they fail, or an error pointer
when not configured.  The intention behind the error pointer is that
it appears as a valid pointer to the caller, and so the caller
continues inspite of debugfs not being available.

Debugfs failure should only ever be checked with (!ptr) and not the
IS_ERR*() functions.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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