From: Alexander Stein <alexander.stein@systec-electronic.com>
Date: Tue, 11 Nov 2014 08:08:43 +0000 (+0100)
Subject: gpio: mcp23s08: Do not free unrequested interrupt
X-Git-Tag: omap-for-v3.19/fixes-rc1~89^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c649f4c8649050947b67358467b839e950abd14;p=pandora-kernel.git

gpio: mcp23s08: Do not free unrequested interrupt

If devm_request_threaded_irq fails for some reason we call
mcp23s08_irq_teardown afterwards.
Do not free the unrequested interrupt in this case. free_irq can also be
omitted for the error free case because we use devm_request_threaded_irq.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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