Re: [PATCH] thermal: sprd: Fix return value of sprd_thm_probe()

From: Baolin Wang
Date: Fri May 29 2020 - 10:25:45 EST


Hi,

On Mon, May 25, 2020 at 10:00 AM Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> wrote:
>
> When call function devm_platform_ioremap_resource(), we should use IS_ERR()
> to check the return value and return PTR_ERR() if failed.
>
> Fixes: 554fdbaf19b1 ("thermal: sprd: Add Spreadtrum thermal driver support")
> Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>

Good catch. Thanks.
Reviewed-by: Baolin Wang <baolin.wang7@xxxxxxxxx>

> ---
> drivers/thermal/sprd_thermal.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c
> index a340374..4cde70d 100644
> --- a/drivers/thermal/sprd_thermal.c
> +++ b/drivers/thermal/sprd_thermal.c
> @@ -348,8 +348,8 @@ static int sprd_thm_probe(struct platform_device *pdev)
>
> thm->var_data = pdata;
> thm->base = devm_platform_ioremap_resource(pdev, 0);
> - if (!thm->base)
> - return -ENOMEM;
> + if (IS_ERR(thm->base))
> + return PTR_ERR(thm->base);
>
> thm->nr_sensors = of_get_child_count(np);
> if (thm->nr_sensors == 0 || thm->nr_sensors > SPRD_THM_MAX_SENSOR) {
> --
> 2.1.0
>


--
Baolin Wang