From 38408d056188be29a6c4e17f3703c796551bb330 Mon Sep 17 00:00:00 2001
From: Hartmut Knaack <knaack.h@gmx.de>
Date: Wed, 1 Jan 2014 23:04:00 +0000
Subject: [PATCH] staging:iio:ad799x fix error_free_irq which was freeing an
 irq that may not have been requested

Only free an IRQ in error_free_irq, if it has been requested previously.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: stable@vger.kernel.org
---
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