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 A5824CFD641 for ; Wed, 7 Jan 2026 14:11:56 +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=AtifbZ9dlYB5B7pMnTwF6U4zuHUg4AAtxUwmlBGabgM=; b=c4Hse9OAt5fAKzgCvyvc5xea8v qHHSGcHdtOZLnLGeupjJiIOtqjqPciNvkrDObJ29L4fmxC9o9o/jTfk7AhFpXqSu0ptc8foOq/wBk 8i4WzaDApxVOoxKdeJatAip3Nw2qzo9sC4gJZYh1T4DEdyM6DJFJ0QIqK2gUZaCAX23024MYN9E1r I72Fnc9zQOfwZx2BlZx6g/30nWCyqXKB2dTh2HpOngRzRzrPKED/0D1oNBMcHP+grPxYSVR9Cz1Az innfb1dOOOg8OY10wtuNr117R3g+fsUJgeauWaA0Awj8pto9gUzmXgCqyDJ3jym6raGZWtHMvsU1H IAoJflyw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdUGO-0000000F42S-0PHK; Wed, 07 Jan 2026 14:11:52 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdUGM-0000000F42H-37QH for linux-arm-kernel@lists.infradead.org; Wed, 07 Jan 2026 14:11:50 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 2A2DA60051; Wed, 7 Jan 2026 14:11:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54AF1C4CEF1; Wed, 7 Jan 2026 14:11:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767795109; bh=AtifbZ9dlYB5B7pMnTwF6U4zuHUg4AAtxUwmlBGabgM=; h=Date:From:To:Subject:In-Reply-To:References:Cc:From; b=PoFOS6yjUEp/Ku0PSbiog971JRBJ6PZ+3kCcXxXM1T112J2ja/3UUNB4br3ITj3W/ w3nnqpjHkxMXf+QrPvuC7rUWRI61Rz5WxYZ1w3WwqgDNiO+cCYBiErps8kCL0gvqmq w/s2tFI5q+155Wg4qsZDAVdfSSmI4I19zeD35/nje+HnET5gANiuiYuJ/KRoxGbO7F pOcCMkZjhmWsl75ovylLNFpKpz9T1JwaMn4y6YscdE+AEEHZVeD7YSgmFoI+9z/6r9 spNLpw0XB21LPI499Uh7VVARGJbmLtONgj322D/1PbSl9bNyE4Mp34cCU6R2SQwE9Q tSoamu4lgUnkg== Message-ID: <8f4ea75e3ee9d192f0fe649338827581@kernel.org> Date: Wed, 07 Jan 2026 14:11:47 +0000 From: "Maxime Ripard" To: "Luca Ceresoli" Subject: Re: [PATCH 11/12] drm/bridge: samsung-dsim: samsung_dsim_host_attach: don't use the bridge pointer as an error indicator In-Reply-To: <20260107-drm-bridge-alloc-getput-drm_of_find_bridge-2-v1-11-283d7bba061a@bootlin.com> References: <20260107-drm-bridge-alloc-getput-drm_of_find_bridge-2-v1-11-283d7bba061a@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 14:13:02 +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