[PATCH 23/25] thermal: exynos: fix error return code
Zhang Rui
rui.zhang at intel.com
Wed Jan 1 20:55:30 EST 2014
On Sun, 2013-12-29 at 23:47 +0100, Julia Lawall wrote:
> From: Julia Lawall <Julia.Lawall at lip6.fr>
>
> Set the return variable to an error code as done elsewhere in the function.
>
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
>
> // <smpl>
> (
> if at p1 (\(ret < 0\|ret != 0\))
> { ... return ret; }
> |
> ret at p1 = 0
> )
> ... when != ret = e1
> when != &ret
> *if(...)
> {
> ... when != ret = e2
> when forall
> return ret;
> }
>
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall at lip6.fr>
applied.
thanks,
rui
>
> ---
> Not tested.
>
> drivers/thermal/samsung/exynos_tmu.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> index 32f38b9..0d96a51 100644
> --- a/drivers/thermal/samsung/exynos_tmu.c
> +++ b/drivers/thermal/samsung/exynos_tmu.c
> @@ -205,6 +205,7 @@ static int exynos_tmu_initialize(struct platform_device *pdev)
> skip_calib_data:
> if (pdata->max_trigger_level > MAX_THRESHOLD_LEVS) {
> dev_err(&pdev->dev, "Invalid max trigger level\n");
> + ret = -EINVAL;
> goto out;
> }
>
>
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