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@xxxxxxxxx>
---
drivers/hwmon/jz4740-hwmon.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c
index 7a48b1e..3d7e590 100644
--- a/drivers/hwmon/jz4740-hwmon.c
+++ b/drivers/hwmon/jz4740-hwmon.c
@@ -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;
--
1.7.5.4
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