From f840e23bcf16068eeffe8991ac38b58b82160e43 Mon Sep 17 00:00:00 2001
From: Lee Jones <lee.jones@linaro.org>
Date: Fri, 19 Jul 2013 08:44:50 +0100
Subject: [PATCH] mfd: ab8500-debugfs: Apply a check for -ENOMEM after
 allocating memory for sysfs

The AB8500 debugfs driver allocates memory for a new sysfs entry, but
fails to apply the proper post-allocation checks. If the device were to
run out of memory, the allocation would return NULL. Without the correct
checks the driver will continue to populate NULL->[show|store|...],
which would obviously cause a pointer dereference Oops.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
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