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authorAxel Lin <axel.lin@gmail.com>2011-12-08 08:04:12 -0500
committerGuenter Roeck <guenter.roeck@ericsson.com>2011-12-12 08:31:21 -0800
commit0b57d7602b68f7b2786b2f0e22da39cbd4139a95 (patch)
tree69470f02a26e8242e4579f8ac9247fac1671955b /drivers/hwmon/jz4740-hwmon.c
parentdc47ce90c3a822cd7c9e9339fe4d5f61dcb26b50 (diff)
downloadblackbird-op-linux-0b57d7602b68f7b2786b2f0e22da39cbd4139a95.tar.gz
blackbird-op-linux-0b57d7602b68f7b2786b2f0e22da39cbd4139a95.zip
hwmon: (jz4740) fix signedness bug
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> Cc: stable@kernel.org (3.0+) Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Diffstat (limited to 'drivers/hwmon/jz4740-hwmon.c')
-rw-r--r--drivers/hwmon/jz4740-hwmon.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c
index 7a48b1eb4233..3d7e590d57b7 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;
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