From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7FCF8306B02 for ; Mon, 3 Nov 2025 11:52:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762170752; cv=none; b=I23DB91qNAzfNsVLgWPAdFJanrrzOLKRdnVo26qKd0iZtxYcQ7cJdisf88v9OY3za9iU9G68GG3LTyUc6yU3Crz58SZLwuS9EF88jdlWSPQYkdofnqR1ttWMseu0cBdiO07yoZLsTEGh1TQvyLXOOzmn+Ni+EuLDXhvWv2jEE+0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762170752; c=relaxed/simple; bh=RPb/+8qLb7/0J9oKNYmFzQfLzRyJLF4cr7ZNuVBPCVI=; h=From:To:Cc:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=nnBwgbC5rd0bL2c16S16B6ATQfwsR0C0GjFmYSNzDjtq4EKUQonRPrLv2HxiubcUlUTjFCbOX3iCWNAkcwUUDlxDMtlqOtC4VDPgFu89G3vHFpcgSx+d93lYqvVWlAVVCu8b71Cl+zBaAetr8jaxBoSQiuvkjfxhZI5TL7e0C6E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=FbvePhAA; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="FbvePhAA" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 751B64E414BA; Mon, 3 Nov 2025 11:52:27 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 49AB260628; Mon, 3 Nov 2025 11:52:27 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id F0E6410B5005F; Mon, 3 Nov 2025 12:52:20 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1762170746; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=nxLsgXaX3S7Wf96NrKXVV0SE7yKYs5dnel8d4jei4WI=; b=FbvePhAAaYxdeRQVSnYhE7UWK6DoHCvGymwxDkiWTU0lpiuIg60oBggkuzXgey7qynUvxV RVVN7od4+LESxZ02FMEkv24OswzAkrfIL4PAsYgUoQdeWsc0Fcxrz/ekicDsUpquTUzoCs TlIbS1pTmMSvdZ7PyQdGtnwVNqGPxvMUf+VIUgjJcbLLay9pteEAiA1gliQU7IrRAz0tiO AGp4tX/2t+7JfAz2TFqtQy1I+MQGGOh+Ofm3rTjiI/82hBTvajaxhet3JAHMoDWPdIeaX9 jSP8Lz2hG5JhyuWRuU64gFZU8L1ikExIWOfYbOff83S6r+4rMYh0ygX48w3Ybw== From: Luca Ceresoli To: Marek Szyprowski , Naresh Kamboju , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Dmitry Baryshkov , Luca Ceresoli Cc: Hui Pu , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org In-Reply-To: <20251017-drm-bridge-alloc-getput-bridge-connector-fix-hdmi_cec-v2-0-667abf6d47c0@bootlin.com> References: <20251017-drm-bridge-alloc-getput-bridge-connector-fix-hdmi_cec-v2-0-667abf6d47c0@bootlin.com> Subject: Re: [PATCH v2 0/3] drm/display: bridge_connector: get/put the stored bridges: fix NULL pointer regression Message-Id: <176217074003.78559.5719838860402143983.b4-ty@bootlin.com> Date: Mon, 03 Nov 2025 12:52:20 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.2 X-Last-TLS-Session-Version: TLSv1.3 On Fri, 17 Oct 2025 18:15:03 +0200, Luca Ceresoli wrote: > A patch of mine recently merged in drm-misc-next [1] has a NULL pointer > deref regression (reported here [2] and here [3]). Being in lack of a quick > fix, I sent a revert proposal [4]. > > The revert proposal has no answers currenty, and in the meanwhile I have a > patch that implements the original idea but without the same bug. So here's > a v2 series with: > > [...] Applied, thanks! [1/3] Revert "drm/display: bridge_connector: get/put the stored bridges" commit: b4027536933f813e51cc53be0b7542012f09aa38 [2/3] drm/display: bridge_connector: get/put the stored bridges commit: 13adb8c97846603efc7bfc7663dfdc0ba2f34b8f [3/3] drm/display: bridge_connector: get/put the panel_bridge commit: a3f433c57c46776f95fdf4cfaad1ab27dbca7311 Best regards, -- Luca Ceresoli