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Thu, 14 May 2026 15:23:46 +0000 Date: Thu, 14 May 2026 11:23:41 -0400 From: Rodrigo Vivi To: Jonathan Cavitt CC: , , , , , , , , Subject: Re: [PATCH] drm/gem: Remove unneeded ret check in change handle ioctl Message-ID: References: <20260511142540.2989187-1-jonathan.cavitt@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: BYAPR02CA0047.namprd02.prod.outlook.com (2603:10b6:a03:54::24) To CYYPR11MB8430.namprd11.prod.outlook.com (2603:10b6:930:c6::19) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CYYPR11MB8430:EE_|PH0PR11MB5064:EE_ X-MS-Office365-Filtering-Correlation-Id: e0ae936a-abc4-490e-88d8-08deb1ccca30 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|1800799024|4143699003|56012099003|22082099003|18002099003|11063799003; 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It is unused, as in the only place we > > modify the return value between there and the previous return value > > check, we also immediately jump to out_unlock, bypassing the check > > entirely. > > > > Issue caught by static analysis. > > Reviewed-by: Rodrigo Vivi It doesn't apply in drm-misc branches yet because it doesn't yet have the culprit patch that caused this code. That is only part of drm-fixes: 5e28b7b94408 ("drm: Set old handle to NULL before prime swap in change_handle") I believe this patch here can wait this culprit patch to get propagated through a backmerge/rebase... > > > > > Signed-off-by: Jonathan Cavitt > > Cc: Maarten Lankhorst > > Cc: Maxime Ripard > > Cc: Thomas Zimmermann > > Cc: David Airlie > > Cc: Simona Vetter > > --- > > drivers/gpu/drm/drm_gem.c | 3 --- > > 1 file changed, 3 deletions(-) > > > > diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c > > index abc8e41d6652..110bc5a58862 100644 > > --- a/drivers/gpu/drm/drm_gem.c > > +++ b/drivers/gpu/drm/drm_gem.c > > @@ -1067,9 +1067,6 @@ int drm_gem_change_handle_ioctl(struct drm_device *dev, void *data, > > > > spin_unlock(&file_priv->table_lock); > > > > - if (ret < 0) > > - goto out_unlock; > > - > > if (obj->dma_buf) { > > ret = drm_prime_add_buf_handle(&file_priv->prime, obj->dma_buf, > > handle); > > -- > > 2.53.0 > >