From 4e0ff946ee0b010a917dad6ae2fcbdc7e6f9ac16 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Thu, 30 Apr 2015 16:52:02 -0700
Subject: [PATCH] mwifiex: do not return success when command times out

wait_event_interruptible_timeout() returns 0 upon timeout. We should
convert it to a negative error code (such as -ETIMEDOUT) instead of
returning it directly, as return code of 0 indicates that command was
executed.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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