From 63159f29be1df7f93563a8a0f78c5e65fc844ed6 Mon Sep 17 00:00:00 2001
From: Ian Morris <ipm@chirality.org.uk>
Date: Sun, 29 Mar 2015 14:00:04 +0100
Subject: [PATCH] ipv6: coding style: comparison for equality with NULL

The ipv6 code uses a mixture of coding styles. In some instances check for NULL
pointer is done as x == NULL and sometimes as !x. !x is preferred according to
checkpatch and this patch makes the code consistent by adopting the latter
form.

No changes detected by objdiff.

Signed-off-by: Ian Morris <ipm@chirality.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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