From 3c8bf223469b4db4d63e1dd8bdbde5ffb32d0cba Mon Sep 17 00:00:00 2001
From: Lee Jones <lee.jones@linaro.org>
Date: Thu, 28 Aug 2014 14:14:00 +0100
Subject: [PATCH] iio: sensors-core: st: Check st_sensors_set_drdy_int_pin()'s
 return value

Value from st_sensors_set_drdy_int_pin() is assigned to err here,
but that stored value is not used before it is overwritten.  To fix
this we're enforcing a check on st_sensors_set_drdy_int_pin()'s
return value and if it's an error, we're returning right away.

Cc: jic23@kernel.org
Cc: linux-iio@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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