From c2945f390dbc725f3c3ef044a6a3f4e3909a7758 Mon Sep 17 00:00:00 2001
From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Wed, 7 Mar 2012 09:52:27 -0800
Subject: [PATCH] iwlwifi: print DMA stop timeout error only if it happened

iwl_poll_direct_bit() return negative error value on timeout,
positive values do not indicate an error.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
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