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From: Boris Brezillon <boris.brezillon@collabora.com>
To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: IGT development <igt-dev@lists.freedesktop.org>,
	Daniel Vetter <daniel.vetter@intel.com>,
	Keith Packard <keithp@keithp.com>,
	DRI Development <dri-devel@lists.freedesktop.org>
Subject: Re: [PATCH 1/7] drm/leases: Drop object_id validation for negative ids
Date: Thu, 14 Mar 2019 08:54:24 +0100	[thread overview]
Message-ID: <20190314085424.50a41a55@collabora.com> (raw)
In-Reply-To: <20190228144910.26488-2-daniel.vetter@ffwll.ch>

On Thu, 28 Feb 2019 15:49:04 +0100
Daniel Vetter <daniel.vetter@ffwll.ch> wrote:

> Not exactly sure what's the aim here, but the canonical nil object has
> id == 0, we don't use negative object ids for anything. Plus all
> object_id are valided by the object_idr, there's nothing we need to do
> on top of that ENOENT check a bit further down.
> 
> Spotted while typing exhaustive igt coverage for all these
> corner-cases.
> 
> Cc: Keith Packard <keithp@keithp.com>
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>

> ---
>  drivers/gpu/drm/drm_lease.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_lease.c b/drivers/gpu/drm/drm_lease.c
> index 603b0bd9c5ce..1176d814cf7f 100644
> --- a/drivers/gpu/drm/drm_lease.c
> +++ b/drivers/gpu/drm/drm_lease.c
> @@ -403,11 +403,6 @@ static int fill_object_idr(struct drm_device *dev,
>  	/* step one - get references to all the mode objects
>  	   and check for validity. */
>  	for (o = 0; o < object_count; o++) {
> -		if ((int) object_ids[o] < 0) {
> -			ret = -EINVAL;
> -			goto out_free_objects;
> -		}
> -
>  		objects[o] = drm_mode_object_find(dev, lessor_priv,
>  						  object_ids[o],
>  						  DRM_MODE_OBJECT_ANY);

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  reply	other threads:[~2019-03-14  7:54 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-28 14:49 [PATCH 0/7] some cleanups and uapi clarification for leases Daniel Vetter
2019-02-28 14:49 ` [PATCH 1/7] drm/leases: Drop object_id validation for negative ids Daniel Vetter
2019-03-14  7:54   ` Boris Brezillon [this message]
2019-03-29  4:46     ` Dave Airlie
2019-03-29  8:28       ` Daniel Vetter
2019-02-28 14:49 ` [PATCH 2/7] drm/lease: Drop recursive leads checks Daniel Vetter
2019-03-14  8:44   ` Boris Brezillon
2019-02-28 14:49 ` [PATCH 3/7] drm/leases: Don't init to 0 in drm_master_create Daniel Vetter
2019-03-14  7:56   ` Boris Brezillon
2019-03-29  4:47     ` Dave Airlie
2019-02-28 14:49 ` [PATCH 4/7] drm/lease: Check for lessor outside of locks Daniel Vetter
2019-03-14  8:07   ` Boris Brezillon
2019-04-03  1:33     ` Dave Airlie
2019-04-03  7:04     ` Daniel Vetter
2019-04-03  7:50       ` Boris Brezillon
2019-02-28 14:49 ` [PATCH 5/7] drm/lease: Make sure implicit planes are leased Daniel Vetter
2019-03-05 13:35   ` Sasha Levin
2019-02-28 14:49 ` [PATCH 6/7] drm/atomic: Wire file_priv through for property changes Daniel Vetter
2019-02-28 14:49 ` [PATCH 7/7] drm/atomic: -EACCESS for lease-denied crtc lookup Daniel Vetter
2019-03-14  8:58 ` [PATCH 0/7] some cleanups and uapi clarification for leases Boris Brezillon
2019-04-05  2:40   ` Dave Airlie
2019-04-24  9:31     ` Daniel Vetter
  -- strict thread matches above, loose matches on Subject: below --
2019-02-28 17:00 Daniel Vetter
2019-02-28 17:00 ` [PATCH 1/7] drm/leases: Drop object_id validation for negative ids Daniel Vetter

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