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hwmon: (acpi_power_meter) Fix compiler warning seen in some configurations

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In some configurations, BUG() does not result in an endless loop but returns
to the caller. This results in the following compiler warning:

drivers/hwmon/acpi_power_meter.c: In function 'show_str':
drivers/hwmon/acpi_power_meter.c:380: warning: 'val' may be used uninitialized in this function

Fix the warning by setting val to an empty string after BUG().

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
This commit is contained in:
Guenter Roeck 2012-03-28 09:03:26 -07:00 committed by Guenter Roeck
parent 8528e07edf
commit 776cdc11b3
1 changed files with 1 additions and 0 deletions
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drivers/hwmon/acpi_power_meter.c
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@ -391,6 +391,7 @@ static ssize_t show_str(struct device *dev,
break;
default:
BUG();
val = "";
}
return sprintf(buf, "%s\n", val);