Re: [2.6 patch] drivers/thermal/thermal.c: fix a check-after-use

Len Brown
2008-02-23T07:20:17Z

On Tuesday 19 February 2008 19:14, Adrian Bunk wrote:
> This patch fixes a check-after-use spotted by the Coverity checker.
>
> Signed-off-by: Adrian Bunk <bunk@kernel.org>
>
> ---
> 570462ca4441d8d63dfd46efe6e5b2b1c251a611 diff --git a/drivers/thermal/thermal.c b/drivers/thermal/thermal.c
> index e782b3e..958654b 100644
> --- a/drivers/thermal/thermal.c
> +++ b/drivers/thermal/thermal.c
> @@ -308,10 +308,10 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
> struct thermal_cooling_device_instance *pos;
> int result;
>
> - if (trip >= tz->trips || (trip < 0 && trip != THERMAL_TRIPS_NONE))
> + if (!tz || !cdev)
> return -EINVAL;
>
> - if (!tz || !cdev)
> + if (trip >= tz->trips || (trip < 0 && trip != THERMAL_TRIPS_NONE))
> return -EINVAL;
>
> dev =
>
> --

this patch no longer applies because the bogus check for a programming error
was already replaced by a better check of run-time params.

thanks,
-len