[PATCH] drm/rockchip: Fix memory leak in rockchip_drm_sys_resume()

[Sean Paul]

On Wed, Sep 27, 2017 at 08:26:42PM +0800, Jeffy Chen wrote:
> Free the drm_atomic_state allocated by drm_atomic_helper_suspend().
> 
> Fixes: 5a5873830972 ("drm/rockchip: Use atomic PM helpers")
> Signed-off-by: Jeffy Chen <jeffy.chen at rock-chips.com>
> ---
> 
>  drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> index 76d63de5921d..80235b672deb 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> @@ -15,6 +15,7 @@
>   */
>  
>  #include <drm/drmP.h>
> +#include <drm/drm_atomic.h>
>  #include <drm/drm_crtc_helper.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_gem_cma_helper.h>
> @@ -299,6 +300,7 @@ static int rockchip_drm_sys_resume(struct device *dev)
>  
>  	priv = drm->dev_private;
>  	drm_atomic_helper_resume(drm, priv->state);
> +	drm_atomic_state_put(priv->state);

Won't this be freed for you eventually in commit_tail()?

Sean

>  	rockchip_drm_fb_resume(drm);
>  	drm_kms_helper_poll_enable(drm);
>  
> -- 
> 2.11.0
> 
> 
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-- 
Sean Paul, Software Engineer, Google / Chromium OS