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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 69169CFD640 for ; Wed, 7 Jan 2026 14:09:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding:Cc :References:In-Reply-To:Subject:To:From:Date:Message-ID:Reply-To:MIME-Version :Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=PZWDOBLRey6Z9yX+RyF83GqTHUzZPfvvBMqFhTb+pZg=; b=THvd4NzEXmRjupZ9fCS5hDqfSZ qgDi39LpOGZBlyzbRby2t3ilaH9DG3paJQZGxYYjmr2CaszoA/HnJhfNJ5CATD2JGYcQ/vJwcuFAw Wdpge6DO9DcQQ+TLZNLWwdLiIrqNyJgxKmjanG1HF6kwLWKyhtT8Umimv+0EndwocjuIyqpxO+Kc1 5raLy4Oxfp4aNfjhVO1HPkf6TEBotJwqfL1ecUdkN477g3gMONsgwBB83LmlOUzixsxhwKieu15Gd LSBWVLT2T7kugft+cpEiF8ccLUWcbV9yP4uKCN2yIkPjTuFFrI3BjhTb9n4flN1LJFEPkSPN2L9Q7 euyGmeAw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdUDh-0000000F3jy-12M0; Wed, 07 Jan 2026 14:09:05 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdUDg-0000000F3jn-11UB for linux-arm-kernel@lists.infradead.org; Wed, 07 Jan 2026 14:09:04 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 500DB60018; Wed, 7 Jan 2026 14:09:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4990DC4CEF1; Wed, 7 Jan 2026 14:09:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767794942; bh=PZWDOBLRey6Z9yX+RyF83GqTHUzZPfvvBMqFhTb+pZg=; h=Date:From:To:Subject:In-Reply-To:References:Cc:From; b=GrPQ+prQOkX4BEgihC3kMMyG17wnhrSstZOLnQqhZ6YxGPgNVxNzO9jWwat+cRVab YGij8q6a7bz/LWjIjWmcwvp6BWxpKKVc9XXYetlswpDBnQb4wbV0L1i7g2HW2ATEBW KuzxcHzluA9oP5Vhbb2SsPp5J1X9cpdarnFrhtHopxt8scZm93r11XFzve7R35Luw8 7iSpo71PthPlVmkmcLOo5dQ8mIkp4hToG2zAP7+WoR/LQe2Hl8JX0i40O/AgTdSJH0 VYGGgVpsT90VnW0ypGc2ZqLlW5NW/xfnW2dze6eGtP5l5oaxfSJm2xPQK+GI40qTO9 8koUD5HgnSc9Q== Message-ID: Date: Wed, 07 Jan 2026 14:09:00 +0000 From: "Maxime Ripard" To: "Luca Ceresoli" Subject: Re: [PATCH 10/12] drm/bridge: samsung-dsim: samsung_dsim_host_attach: use a temporary variable for the next bridge In-Reply-To: <20260107-drm-bridge-alloc-getput-drm_of_find_bridge-2-v1-10-283d7bba061a@bootlin.com> References: <20260107-drm-bridge-alloc-getput-drm_of_find_bridge-2-v1-10-283d7bba061a@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: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, 7 Jan 2026 14:13:01 +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