From a1e869de72a7a6d9e1007d0b459e79e91f0cf5b5 Mon Sep 17 00:00:00 2001
From: Mark Rustad <mark.d.rustad@intel.com>
Date: Fri, 10 Apr 2015 10:36:36 -0700
Subject: [PATCH] ixgbe: Use a signed type to hold error codes

Because error codes are negative, it only makes sense to
consistently use signed types when handling them. Also remove
some explicit comparisons with 0 on these variables.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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