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hwmon: (jz4740) fix signedness bug 

commit 0b57d7602b upstream.

wait_for_completion_interruptible_timeout() may return negative value.
In this case, checking if (t > 0)  will return true if t is unsigned.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Axel Lin 2011-12-08 08:04:12 -05:00 committed by Greg Kroah-Hartman
parent c1f95ce58f
commit cadacbdef3
1 changed files with 1 additions and 1 deletions
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drivers/hwmon/jz4740-hwmon.c
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@ -59,7 +59,7 @@ static ssize_t jz4740_hwmon_read_adcin(struct device *dev,
{
struct jz4740_hwmon *hwmon = dev_get_drvdata(dev);
struct completion *completion = &hwmon->read_completion;
unsigned long t;
long t;
unsigned long val;
int ret;