From patchwork Tue Nov 19 19:20:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13880459 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 365011D1E68 for ; Tue, 19 Nov 2024 19:20:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732044059; cv=none; b=r5qQoCSwrinyA7e8fyISFM/8FlgJ6SuWc+krtA0QmBVVyFE2rLjzReVqKura53Zg1iBvB07PTf5OVtEVI/icBcqvEEFOypsIEGhGj6I5qQcJrESMdZbEd1hHRqEIVyIhhwz2bAW/3dZvbq5tMw2lJ4PuCaKC7O14jSxZK5ovEPA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732044059; c=relaxed/simple; bh=iL8VOfQLODe13h763rLRn5HKdehU/xOkVACfulZUMTs=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=cvvewwPc7UPtvvNv2C8LdDWiAVxrQC2vtQl1M4I8goNbNEcrWwSCM3+onlxK+a8rFIhZ1DWSSHi5u6E0jh3ThK/KMlCYkJPltzuCy3Sppz5MEW1qs86aDOvLgD7+c6YU+8Ra7IEt+dwVi9AZuNRg+nd81Nh2ERZ4CNPN8xBcEfE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.renesas.com; arc=none smtp.client-ip=210.160.252.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-CSE-ConnectionGUID: dWMZcjCjQhSaKgLvGtfCkA== X-CSE-MsgGUID: 24wQvAz7QkmTDhFls2ZmsA== X-IronPort-AV: E=Sophos;i="6.12,166,1728918000"; d="scan'208";a="229320091" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 20 Nov 2024 04:20:56 +0900 Received: from localhost.localdomain (unknown [10.226.92.216]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 55DC84052900; Wed, 20 Nov 2024 04:20:42 +0900 (JST) From: Biju Das To: Andrzej Hajda , Neil Armstrong , Robert Foss , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: Biju Das , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , dri-devel@lists.freedesktop.org, Geert Uytterhoeven , Prabhakar Mahadev Lad , Biju Das , linux-renesas-soc@vger.kernel.org Subject: [PATCH v7 0/3] drm: adv7511: ADV7535 fixes Date: Tue, 19 Nov 2024 19:20:28 +0000 Message-ID: <20241119192040.152657-1-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This patch series aims to fix 2 bugs in the ADV7535 driver 1) use-after-free bug in adv7533_attach_dsi() 2) Drop unsupported single lane. Changes in v7: - Dropped check for host_node as of_node_put() is a no-op when called with a NULL pointer. - Added Rb tag from Laurent for patch#1. Changes in v6: - Fixed memory leak by adding goto stattement in error path of adv7511_init_regulators(). - Added Rb tag from Adam for patch#3. Changes in v5: - Updated commit description for patch#1. - restored host_node in struct adv7511. - Dropped of_node_put() in adv7533_parse_dt() and calling of_node_put() in error path of probe() and also in the remove(). Changes in v4: - Updated commit description for patch#1. - Dropped host_node from struct adv7511 and instead used a local pointer in probe(). Also freeing of host_node pointer after use is done in probe(). - Added link to ADV7533 data sheet. - Collected tags Changes in v3: - Replace __free construct with readable of_node_put(). - Dropped single lane support from bindings and driver. changes in v2: - Added the tag "Cc: stable@vger.kernel.org" in the sign-off area. - Dropped invalid Mail address Archit Taneja . Biju Das (3): drm: adv7511: Fix use-after-free in adv7533_attach_dsi() dt-bindings: display: adi,adv7533: Drop single lane support drm: adv7511: Drop dsi single lane support .../bindings/display/bridge/adi,adv7533.yaml | 2 +- drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 10 ++++++++-- drivers/gpu/drm/bridge/adv7511/adv7533.c | 4 +--- 3 files changed, 10 insertions(+), 6 deletions(-)