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From: Sam Ravnborg <sam@ravnborg.org>
To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
	Emil Velikov <emil.l.velikov@gmail.com>,
	m.felsch@pengutronix.de,
	DRI Development <dri-devel@lists.freedesktop.org>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	Dave Airlie <airlied@redhat.com>,
	Daniel Vetter <daniel.vetter@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>, Sean Paul <sean@poorly.run>
Subject: Re: [PATCH 06/51] drm/udl: Use drmm_add_final_kfree
Date: Thu, 27 Feb 2020 21:57:27 +0100	[thread overview]
Message-ID: <20200227205727.GB29498@ravnborg.org> (raw)
In-Reply-To: <20200227181522.2711142-7-daniel.vetter@ffwll.ch>

On Thu, Feb 27, 2020 at 07:14:37PM +0100, Daniel Vetter wrote:
> With this we can drop the final kfree from the release function.
> 
> v2: We need drm_dev_put to unroll the driver creation (once
> drm_dev_init and drmm_add_final_kfree suceeded), otherwise
> the drmm_ magic doesn't happen.
> 
> v3: Actually squash in the fixup (Laurent).
> 
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Dave Airlie <airlied@redhat.com>
> Cc: Sean Paul <sean@poorly.run>
> Cc: Thomas Zimmermann <tzimmermann@suse.de>
> Cc: Emil Velikov <emil.l.velikov@gmail.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: "Noralf Trønnes" <noralf@tronnes.org>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Sam Ravnborg <sam@ravnborg.org>
> ---

Acked-by: Sam Ravnborg <sam@ravnborg.org>
>  drivers/gpu/drm/udl/udl_drv.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
> index e6c1cd77d4d4..6a5594946096 100644
> --- a/drivers/gpu/drm/udl/udl_drv.c
> +++ b/drivers/gpu/drm/udl/udl_drv.c
> @@ -10,6 +10,7 @@
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_file.h>
>  #include <drm/drm_gem_shmem_helper.h>
> +#include <drm/drm_managed.h>
>  #include <drm/drm_ioctl.h>
>  #include <drm/drm_probe_helper.h>
>  #include <drm/drm_print.h>
> @@ -38,7 +39,6 @@ static void udl_driver_release(struct drm_device *dev)
>  	udl_fini(dev);
>  	udl_modeset_cleanup(dev);
>  	drm_dev_fini(dev);
> -	kfree(dev);
>  }
>  
>  static struct drm_driver driver = {
> @@ -77,11 +77,11 @@ static struct udl_device *udl_driver_create(struct usb_interface *interface)
>  
>  	udl->udev = udev;
>  	udl->drm.dev_private = udl;
> +	drmm_add_final_kfree(&udl->drm, udl);
>  
>  	r = udl_init(udl);
>  	if (r) {
> -		drm_dev_fini(&udl->drm);
> -		kfree(udl);
> +		drm_dev_put(&udl->drm);
>  		return ERR_PTR(r);
>  	}
>  
> -- 
> 2.24.1
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  reply	other threads:[~2020-02-27 20:57 UTC|newest]

Thread overview: 94+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-27 18:14 [PATCH 00/51] drm managed resources, v3 Daniel Vetter
2020-02-27 18:14 ` [PATCH 01/51] mm/sl[uo]b: export __kmalloc_track(_node)_caller Daniel Vetter
2020-02-27 18:14 ` [PATCH 02/51] drm/i915: Don't clear drvdata in ->release Daniel Vetter
2020-02-27 18:14 ` [PATCH 03/51] drm: add managed resources tied to drm_device Daniel Vetter
2020-02-28 22:45   ` Sam Ravnborg
2020-02-28 23:14     ` Daniel Vetter
2020-02-29 11:17       ` Sam Ravnborg
2020-02-29 11:28         ` Daniel Vetter
2020-03-02  9:22           ` Jani Nikula
2020-03-02  9:36             ` Daniel Vetter
2020-03-02  9:39             ` Daniel Vetter
2020-03-02 16:34               ` Sam Ravnborg
2020-02-27 18:14 ` [PATCH 04/51] drm: Set final_kfree in drm_dev_alloc Daniel Vetter
2020-02-27 18:14 ` [PATCH 05/51] drm/mipi_dbi: Use drmm_add_final_kfree in all drivers Daniel Vetter
2020-02-27 20:55   ` Sam Ravnborg
2020-02-27 18:14 ` [PATCH 06/51] drm/udl: Use drmm_add_final_kfree Daniel Vetter
2020-02-27 20:57   ` Sam Ravnborg [this message]
2020-02-27 18:14 ` [PATCH 07/51] drm/qxl: " Daniel Vetter
2020-02-27 18:14 ` [PATCH 08/51] drm/i915: " Daniel Vetter
2020-02-27 18:14 ` [PATCH 09/51] drm/cirrus: " Daniel Vetter
2020-02-27 21:01   ` Sam Ravnborg
2020-02-27 18:14 ` [PATCH 10/51] drm/v3d: " Daniel Vetter
2020-02-27 18:14 ` [PATCH 11/51] drm/tidss: " Daniel Vetter
2020-02-27 18:14 ` [PATCH 12/51] drm/mcde: " Daniel Vetter
2020-02-27 18:14 ` [PATCH 13/51] drm/vgem: " Daniel Vetter
2020-02-27 21:02   ` Sam Ravnborg
2020-02-27 18:14 ` [PATCH 14/51] drm/vkms: " Daniel Vetter
2020-02-27 18:59   ` Rodrigo Siqueira
2020-02-27 18:14 ` [PATCH 15/51] drm/repaper: " Daniel Vetter
2020-02-27 18:14 ` [PATCH 16/51] drm/inigenic: " Daniel Vetter
2020-03-02 20:12   ` Paul Cercueil
2020-02-27 18:14 ` [PATCH 17/51] drm/gm12u320: " Daniel Vetter
2020-02-27 18:14 ` [PATCH 18/51] drm/<drivers>: " Daniel Vetter
2020-02-27 18:35   ` Liviu Dudau
2020-02-27 18:14 ` [PATCH 19/51] drm: Cleanups after drmm_add_final_kfree rollout Daniel Vetter
2020-02-27 18:14 ` [PATCH 20/51] drm: Handle dev->unique with drmm_ Daniel Vetter
2020-02-27 18:14 ` [PATCH 21/51] drm: Use drmm_ for drm_dev_init cleanup Daniel Vetter
2020-02-27 18:14 ` [PATCH 22/51] drm: manage drm_minor cleanup with drmm_ Daniel Vetter
2020-02-27 18:14 ` [PATCH 23/51] drm: Manage drm_gem_init " Daniel Vetter
2020-02-27 18:14 ` [PATCH 24/51] drm: Manage drm_vblank_cleanup " Daniel Vetter
2020-02-27 18:14 ` [PATCH 25/51] drm: Garbage collect drm_dev_fini Daniel Vetter
2020-02-27 18:14 ` [PATCH 26/51] drm: Manage drm_mode_config_init with drmm_ Daniel Vetter
2020-02-28  7:30   ` Thomas Zimmermann
2020-02-28  8:43     ` Daniel Vetter
2020-02-28  9:56       ` Thomas Zimmermann
2020-02-28 20:26   ` Sam Ravnborg
2020-02-28 23:11     ` Daniel Vetter
2020-02-29 10:59       ` Sam Ravnborg
2020-03-02 14:09       ` Daniel Vetter
2020-02-27 18:14 ` [PATCH 27/51] drm/bochs: Remove leftover drm_atomic_helper_shutdown Daniel Vetter
2020-02-27 18:14 ` [PATCH 28/51] drm/bochs: Drop explicit drm_mode_config_cleanup Daniel Vetter
2020-02-27 18:15 ` [PATCH 29/51] drm/cirrus: Drop explicit drm_mode_config_cleanup call Daniel Vetter
2020-02-28 20:32   ` Sam Ravnborg
2020-02-27 18:15 ` [PATCH 30/51] drm/cirrus: Fully embrace devm_ Daniel Vetter
2020-02-27 18:15 ` [PATCH 31/51] drm/ingenic: Drop explicit drm_mode_config_cleanup call Daniel Vetter
2020-03-02 20:13   ` Paul Cercueil
2020-02-27 18:15 ` [PATCH 32/51] drm/mcde: " Daniel Vetter
2020-02-27 18:15 ` [PATCH 33/51] drm/mcde: More devm_drm_dev_init Daniel Vetter
2020-02-27 18:15 ` [PATCH 34/51] drm/meson: Drop explicit drm_mode_config_cleanup call Daniel Vetter
2020-02-27 18:15 ` [PATCH 35/51] drm/pl111: " Daniel Vetter
2020-02-27 18:15 ` [PATCH 36/51] drm/rcar-du: " Daniel Vetter
2020-02-27 18:15 ` [PATCH 37/51] drm/rockchip: " Daniel Vetter
2020-02-28 21:19   ` kbuild test robot
2020-02-28 23:34     ` Daniel Vetter
2020-02-29  1:53   ` kbuild test robot
2020-02-27 18:15 ` [PATCH 38/51] drm/stm: " Daniel Vetter
2020-02-27 18:15 ` [PATCH 39/51] drm/shmob: " Daniel Vetter
2020-02-27 18:15 ` [PATCH 40/51] drm/mtk: " Daniel Vetter
2020-02-27 18:15 ` [PATCH 41/51] drm/tidss: " Daniel Vetter
2020-02-27 18:15 ` [PATCH 42/51] drm/gm12u320: More drmm_ Daniel Vetter
2020-02-27 18:15 ` [PATCH 43/51] drm/gm12u320: Use devm_drm_dev_init Daniel Vetter
2020-02-27 18:15 ` [PATCH 44/51] drm/gm12u320: Use helpers for shutdown/suspend/resume Daniel Vetter
2020-02-27 18:15 ` [PATCH 45/51] drm/gm12u320: Simplify upload work Daniel Vetter
2020-02-27 19:04   ` Hans de Goede
2020-02-27 18:15 ` [PATCH 46/51] drm/repaper: Drop explicit drm_mode_config_cleanup call Daniel Vetter
2020-02-27 18:15 ` [PATCH 47/51] drm/mipi-dbi: Move drm_mode_config_init into mipi library Daniel Vetter
2020-02-28 20:34   ` Sam Ravnborg
2020-02-27 18:15 ` [PATCH 48/51] drm/mipi-dbi: Drop explicit drm_mode_config_cleanup call Daniel Vetter
2020-02-28 20:36   ` Sam Ravnborg
2020-02-27 18:15 ` [PATCH 49/51] drm/udl: " Daniel Vetter
2020-02-28 20:37   ` Sam Ravnborg
2020-02-27 18:15 ` [PATCH 50/51] drm/udl: drop drm_driver.release hook Daniel Vetter
2020-02-28  7:43   ` Thomas Zimmermann
2020-02-28  8:40     ` Daniel Vetter
2020-02-28 11:46       ` Thomas Zimmermann
2020-02-28 17:43         ` Daniel Vetter
2020-03-02  8:14           ` Thomas Zimmermann
2020-03-02  9:01             ` Daniel Vetter
2020-02-27 18:15 ` [PATCH 51/51] drm: Add docs for managed resources Daniel Vetter
2020-02-27 20:53   ` Sam Ravnborg
  -- strict thread matches above, loose matches on Subject: below --
2020-03-23 14:48 [PATCH 00/51] drm_device managed resources, v5 Daniel Vetter
2020-03-23 14:49 ` [PATCH 06/51] drm/udl: Use drmm_add_final_kfree Daniel Vetter
2020-03-02 22:25 [PATCH 00/51] drm_device managed resources, v4 Daniel Vetter
2020-03-02 22:25 ` [PATCH 06/51] drm/udl: Use drmm_add_final_kfree Daniel Vetter
2020-03-11  9:10   ` Thomas Zimmermann
2020-02-21 21:02 [PATCH 00/51] drm managed resources, v2 Daniel Vetter
2020-02-21 21:02 ` [PATCH 06/51] drm/udl: Use drmm_add_final_kfree Daniel Vetter

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