From 16d55be4cc694f76bff0cd99a8101e943e878d38 Mon Sep 17 00:00:00 2001
From: Cristina Opriceana <cristina.opriceana@gmail.com>
Date: Tue, 31 Mar 2015 13:03:38 +0300
Subject: [PATCH] Staging: iio: impedance-analyzer: Remove explicit NULL
 comparison

This patch removes explicit NULL comparison and replaces it with
its shorter form. Detected with coccinelle.

Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed