diff mbox series

[07/52] drm/udl: Use drmm_add_final_kfree

Message ID 20200219102122.1607365-8-daniel.vetter@ffwll.ch (mailing list archive)
State New, archived
Headers show
Series drm_device managed resources | expand

Commit Message

Daniel Vetter Feb. 19, 2020, 10:20 a.m. UTC
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.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.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>
---
 drivers/gpu/drm/udl/udl_drv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Laurent Pinchart Feb. 19, 2020, 1:42 p.m. UTC | #1
Hi Daniel,

Thank you for the patch.

On Wed, Feb 19, 2020 at 11:20:37AM +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.
> 
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

Did you mean to squash this with the previous commit ?

> 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>
> ---
>  drivers/gpu/drm/udl/udl_drv.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
> index d5b89711ab1e..6a5594946096 100644
> --- a/drivers/gpu/drm/udl/udl_drv.c
> +++ b/drivers/gpu/drm/udl/udl_drv.c
> @@ -81,8 +81,7 @@ static struct udl_device *udl_driver_create(struct usb_interface *interface)
>  
>  	r = udl_init(udl);
>  	if (r) {
> -		drm_dev_fini(&udl->drm);
> -		kfree(udl);
> +		drm_dev_put(&udl->drm);
>  		return ERR_PTR(r);
>  	}
>
Daniel Vetter Feb. 19, 2020, 2:43 p.m. UTC | #2
On Wed, Feb 19, 2020 at 2:42 PM Laurent Pinchart
<laurent.pinchart@ideasonboard.com> wrote:
>
> Hi Daniel,
>
> Thank you for the patch.
>
> On Wed, Feb 19, 2020 at 11:20:37AM +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.
> >
> > Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
>
> Did you mean to squash this with the previous commit ?

Uh yes indeed. Will squash.
-Daniel

>
> > 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>
> > ---
> >  drivers/gpu/drm/udl/udl_drv.c | 3 +--
> >  1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
> > index d5b89711ab1e..6a5594946096 100644
> > --- a/drivers/gpu/drm/udl/udl_drv.c
> > +++ b/drivers/gpu/drm/udl/udl_drv.c
> > @@ -81,8 +81,7 @@ static struct udl_device *udl_driver_create(struct usb_interface *interface)
> >
> >       r = udl_init(udl);
> >       if (r) {
> > -             drm_dev_fini(&udl->drm);
> > -             kfree(udl);
> > +             drm_dev_put(&udl->drm);
> >               return ERR_PTR(r);
> >       }
> >
>
> --
> Regards,
>
> Laurent Pinchart
diff mbox series

Patch

diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index d5b89711ab1e..6a5594946096 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -81,8 +81,7 @@  static struct udl_device *udl_driver_create(struct usb_interface *interface)
 
 	r = udl_init(udl);
 	if (r) {
-		drm_dev_fini(&udl->drm);
-		kfree(udl);
+		drm_dev_put(&udl->drm);
 		return ERR_PTR(r);
 	}