hwmon: (acpi_power_meter) Fix compiler warning seen in some configurations
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>
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@ -391,6 +391,7 @@ static ssize_t show_str(struct device *dev,
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break;
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default:
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BUG();
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val = "";
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}
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return sprintf(buf, "%s\n", val);
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