From: Guenter Roeck <linux@roeck-us.net>
Date: Fri, 20 Apr 2012 15:39:17 +0000 (-0400)
Subject: hwmon: (ad7314) Fix build warning
X-Git-Tag: v3.4-rc5~13^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eae1415dda93fd4edcce0637aa64b3c9b567563f;p=pandora-kernel.git

hwmon: (ad7314) Fix build warning

The following build warning is seen in some configurations.

drivers/hwmon/ad7314.c: In function 'ad7314_show_temperature':
drivers/hwmon/ad7314.c:70: warning: 'data' may be used uninitialized in this function

Fix by overloading the return value from ad7314_spi_read with both data and
error code (the returned data is really u16 and needs to be converted into a
signed value anyway).

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Jean Delvare <khali@linux-fr.org>
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