From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3A86BD2F338 for ; Tue, 13 Jan 2026 15:42:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8A5D010E509; Tue, 13 Jan 2026 15:42:43 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="dRIX4ovA"; dkim-atps=neutral Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7EC3710E509 for ; Tue, 13 Jan 2026 15:42:41 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 2F22141AF7; Tue, 13 Jan 2026 15:42:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 84744C19425; Tue, 13 Jan 2026 15:42:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768318961; bh=rrnWNw3vkU2Ih+pUchIRcev1TZ+Nr+r2PD7leoOT0ic=; h=Date:From:To:Subject:In-Reply-To:References:Cc:From; b=dRIX4ovAcZciutAuOjH7KQc2v9gHBtJoOBqf4Pxso1e7n9i4dWqiX+7IqmwrjPTPJ B0e5/4HJ7m54NhbtKd6S9xn2jiVbR4u/eV8I8+jALdOPwALqwmScrcM10i+OkgwtFp y8LgNs1nJxKeX2TY4+yq6gIpP8z5YZiVRJsr5cWkdSg67W4BVMTa0QYnme2T7YBQm7 UgwdrDoBegVx8/wmLfJiMJmB7ll6tIsVzXk/O5fQWvMk1D5Fhh+HTU/NZ2lGmbiOUR vb6yvGPhdaSXuswQaRoRBCFC5JjMfEAJvh/gtzzX4eFYKLDEvHcV4LRuVHGLcwhC2g vKxh6FazgkQ+A== Message-ID: <45d26d0bc35eb157f798cc74004af133@kernel.org> Date: Tue, 13 Jan 2026 15:42:38 +0000 From: "Maxime Ripard" To: "Luca Ceresoli" Subject: Re: [PATCH v2 10/12] drm/bridge: samsung-dsim: samsung_dsim_host_attach: use a temporary variable for the next bridge In-Reply-To: <20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-10-8bad3ef90b9f@bootlin.com> References: <20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-10-8bad3ef90b9f@bootlin.com> Cc: benjamin.gaignard@linaro.org, dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, "Adrien Grassein" , "Andrzej Hajda" , "David Airlie" , "Fabio Estevam" , "Hui Pu" , "Inki Dae" , "Jagan Teki" , "Jernej Skrabec" , "Jonas Karlman" , "Laurent Pinchart" , "Liu Ying" , "Maarten Lankhorst" , "Marek Szyprowski" , "Maxime Ripard" , "Neil Armstrong" , "Pengutronix Kernel Team" , "Philippe Cornu" , "Robert Foss" , "Sascha Hauer" , "Shawn Guo" , "Simona Vetter" , "Thomas Petazzoni" , "Thomas Zimmermann" Content-Transfer-Encoding: quoted-printable X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Fri, 9 Jan 2026 08:31:41 +0100, Luca Ceresoli wrote: > In preparation to handle refcounting of the out_bridge, we need to ensure > the out_bridge pointer contains either a valid bridge pointer or NULL, not > an ERR_PTR. Otherwise calls such as drm_bridge_get/put() would try to > redeference an ERR_PTR. >=20 >=20 > [ ... ] Acked-by: Maxime Ripard Thanks! Maxime