From b9b3a41893c3f1be67b5aacfa525969914bea0e9 Mon Sep 17 00:00:00 2001
From: Atilla Filiz <atilla.filiz@essensium.com>
Date: Fri, 11 Apr 2014 16:51:23 +0200
Subject: [PATCH] iio:imu:mpu6050: Fixed segfault in Invensens MPU driver due
 to null dereference

The driver segfaults when the kernel boots with device tree as the
platform data is then not present and the pointer is deferenced without
checking it is not null.  This patch introduces such a check avoiding the
crash.

Signed-off-by: Atilla Filiz <atilla.filiz@essensium.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: Stable@vger.kernel.org
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