[PATCH 15/51] drm/repaper: Use drmm_add_final_kfree

[Sam Ravnborg]

On Mon, Mar 02, 2020 at 11:25:55PM +0100, Daniel Vetter wrote:
> With this we can drop the final kfree from the release function.
> 
> Reviewed-by: Noralf Trønnes <noralf at tronnes.org>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> Cc: "Noralf Trønnes" <noralf at tronnes.org>

Acked-by: Sam Ravnborg <sam at ravnborg.org>

> ---
>  drivers/gpu/drm/tiny/repaper.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/tiny/repaper.c b/drivers/gpu/drm/tiny/repaper.c
> index f5ebcaf7ee3a..df5654ef53ee 100644
> --- a/drivers/gpu/drm/tiny/repaper.c
> +++ b/drivers/gpu/drm/tiny/repaper.c
> @@ -31,6 +31,7 @@
>  #include <drm/drm_format_helper.h>
>  #include <drm/drm_gem_cma_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
> +#include <drm/drm_managed.h>
>  #include <drm/drm_modes.h>
>  #include <drm/drm_rect.h>
>  #include <drm/drm_probe_helper.h>
> @@ -910,13 +911,10 @@ static const struct drm_mode_config_funcs repaper_mode_config_funcs = {
>  
>  static void repaper_release(struct drm_device *drm)
>  {
> -	struct repaper_epd *epd = drm_to_epd(drm);
> -
>  	DRM_DEBUG_DRIVER("\n");
>  
>  	drm_mode_config_cleanup(drm);
>  	drm_dev_fini(drm);
> -	kfree(epd);
>  }
>  
>  static const uint32_t repaper_formats[] = {
> @@ -1024,6 +1022,7 @@ static int repaper_probe(struct spi_device *spi)
>  		kfree(epd);
>  		return ret;
>  	}
> +	drmm_add_final_kfree(drm, epd);
>  
>  	drm_mode_config_init(drm);
>  	drm->mode_config.funcs = &repaper_mode_config_funcs;
> -- 
> 2.24.1
> 
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