Re: [PATCH -next] drm/panfrost: Fix missing clk_disable_unprepare() on error in panfrost_clk_init()

From: Steven Price
Date: Fri Jun 11 2021 - 06:32:42 EST


On 08/06/2021 15:38, Wei Yongjun wrote:
> Fix the missing clk_disable_unprepare() before return
> from panfrost_clk_init() in the error handling case.
>
> Fixes: b681af0bc1cc ("drm: panfrost: add optional bus_clock")
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>

Reviewed-by: Steven Price <steven.price@xxxxxxx>

I'll push this to drm-misc-next.

Thanks,

Steve

> ---
> drivers/gpu/drm/panfrost/panfrost_device.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c b/drivers/gpu/drm/panfrost/panfrost_device.c
> index 125ed973feaa..a2a09c51eed7 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_device.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_device.c
> @@ -54,7 +54,8 @@ static int panfrost_clk_init(struct panfrost_device *pfdev)
> if (IS_ERR(pfdev->bus_clock)) {
> dev_err(pfdev->dev, "get bus_clock failed %ld\n",
> PTR_ERR(pfdev->bus_clock));
> - return PTR_ERR(pfdev->bus_clock);
> + err = PTR_ERR(pfdev->bus_clock);
> + goto disable_clock;
> }
>
> if (pfdev->bus_clock) {
>