[PATCH 2/2] jz4740-battery: fix signedness bug

[Axel Lin]

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/power/jz4740-battery.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/power/jz4740-battery.c b/drivers/power/jz4740-battery.c
index 763f894..5bb1ddd 100644
--- a/drivers/power/jz4740-battery.c
+++ b/drivers/power/jz4740-battery.c
@@ -67,7 +67,7 @@ static irqreturn_t jz_battery_irq_handler(int irq, void *devid)
 
 static long jz_battery_read_voltage(struct jz_battery *battery)
 {
-	unsigned long t;
+	long t;
 	unsigned long val;
 	long voltage;
 
-- 
1.7.5.4



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