Re: [PATCH] drm: rcar-du: fix reference leak in rcar_cmm_enable

2020-12-15 Thread Laurent Pinchart
Hi Qinglang, Thank you for the patch. On Fri, Nov 27, 2020 at 05:44:44PM +0800, Qinglang Miao wrote: > pm_runtime_get_sync will increment pm usage counter even it > failed. Forgetting to putting operation will result in a > reference leak here. > > A new function pm_runtime_resume_and_get is int

Re: [PATCH] drm: rcar-du: fix reference leak in rcar_cmm_enable

2020-12-15 Thread Jacopo Mondi
Hello Qinglang, On Fri, Nov 27, 2020 at 05:44:44PM +0800, Qinglang Miao wrote: > pm_runtime_get_sync will increment pm usage counter even it > failed. Forgetting to putting operation will result in a > reference leak here. > > A new function pm_runtime_resume_and_get is introduced in > [0] to keep

[PATCH] drm: rcar-du: fix reference leak in rcar_cmm_enable

2020-11-27 Thread Qinglang Miao
pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in a reference leak here. A new function pm_runtime_resume_and_get is introduced in [0] to keep usage counter balanced. So We fix the reference leak by replacing it with new funtion. [0