From 53cb5717b491332df8e899a16246c223f64d069a Mon Sep 17 00:00:00 2001
From: Alexander Aring <alex.aring@gmail.com>
Date: Mon, 28 Oct 2013 10:24:17 +0100
Subject: [PATCH] 6lowpan: remove unnecessary check on err >= 0

The err variable can only be zero in this case.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Reviewed-by: Werner Almesberger <werner@almesberger.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed