Re: [PATCH] PM / devfreq: exynos-ppmu: fix error path in exynos_ppmu_probe()

From: Chanwoo Choi
Date: Tue Jun 28 2016 - 08:11:08 EST


2016-06-28 20:21 GMT+09:00 Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>:
> iounmap() needs to be called in case of memory allocation
> (for devfreq-event devices) failure. Fix it.
>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> ---
> drivers/devfreq/event/exynos-ppmu.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c
> index f312485..845bf25 100644
> --- a/drivers/devfreq/event/exynos-ppmu.c
> +++ b/drivers/devfreq/event/exynos-ppmu.c
> @@ -482,7 +482,8 @@ static int exynos_ppmu_probe(struct platform_device *pdev)
> if (!info->edev) {
> dev_err(&pdev->dev,
> "failed to allocate memory devfreq-event devices\n");
> - return -ENOMEM;
> + ret = -ENOMEM;
> + goto err;
> }
> edev = info->edev;
> platform_set_drvdata(pdev, info);
> --
> 1.9.1
>

Acked-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>

Also, this patch fix the bug. So, this patch should be included in v4.7-rc.

Thanks,
Chanwoo Choi