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SubjectRe: [PATCH 1/2] media: rkisp1: Fix media device memory leak
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On 22/11/2023 17:42, Laurent Pinchart wrote:
> Hi Tomi,
>
> Thank you for the patch.
>
> On Wed, Nov 22, 2023 at 04:42:22PM +0200, Tomi Valkeinen wrote:
>> Add missing calls to media_device_cleanup() to fix memory leak.
>>
>> Fixes: d65dd85281fb ("media: staging: rkisp1: add Rockchip ISP1 base driver")
>> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
>> ---
>> drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
>> index c41abd2833f1..e10cc2881757 100644
>> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
>> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
>> @@ -617,6 +617,7 @@ static int rkisp1_probe(struct platform_device *pdev)
>> media_device_unregister(&rkisp1->media_dev);
>> err_unreg_v4l2_dev:
>> v4l2_device_unregister(&rkisp1->v4l2_dev);
>> + media_device_cleanup(&rkisp1->media_dev);
>
> As media_device_cleanup() cleans up for media_device_init(), shouldn't
> it go to the err_pm_runtime_disable label ? The label may need to be
> renamed to err_media_cleanup then.

Oops, you're right. I'll fix that.

Tomi

> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
>
>> err_pm_runtime_disable:
>> pm_runtime_disable(&pdev->dev);
>> return ret;
>> @@ -637,6 +638,8 @@ static void rkisp1_remove(struct platform_device *pdev)
>> media_device_unregister(&rkisp1->media_dev);
>> v4l2_device_unregister(&rkisp1->v4l2_dev);
>>
>> + media_device_cleanup(&rkisp1->media_dev);
>> +
>> pm_runtime_disable(&pdev->dev);
>> }
>>
>

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