From 4c69f05eaa428e37890daf88b86a567ce615570b Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dtor@chromium.org>
Date: Fri, 14 Nov 2014 14:12:21 -0800
Subject: [PATCH] brcmfmac: fix error handling of irq_of_parse_and_map

Return value of irq_of_parse_and_map() is unsigned int, with 0
indicating failure, so testing for negative result never works.

Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Cc: stable@vger.kernel.org # v3.17
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Reading git-format-patch failed