lkml.org 
[lkml]   [2011]   [Dec]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] hwmon: jz4740: fix signedness bug
On 12/08/2011 02:04 PM, Axel Lin wrote:
> 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>

Thanks

> ---
> 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;
>



\
 
 \ /
  Last update: 2011-12-08 15:11    [W:0.061 / U:0.508 seconds]
©2003-2011 Jasper Spaans