From nobody Tue Apr 7 20:08:13 2026 Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) (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 39C9B3B0AE3; Tue, 7 Apr 2026 12:24:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.84.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775564691; cv=none; b=B5N9QKq/i/tCnrhGobSDiktgqssGEJCZCVkmVk+txqKoH2XbayHkuwPBRzv2OLJnxs/SADvVi06YwE4N+LjD5ECH42Wcq1Q4IwKVcusFbGfd1lu2N2N/9wfiRa3krZlV3kfW+TvvuLIMveAyMtJcajT3vPwwtGAD/lmFz/64PYg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775564691; c=relaxed/simple; bh=xCyOeEb1Rt3PAU0y1z2oi9zSYVPFWqIkwkXXe5MYVu4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=N+dIjaMOhThsQoEDP15kTZuTw6sssjXn6RBsF7gRglyznCHsdunpty5Hvo2mmi8c2huRNLyvKtVgJBX95eaDkM0aW5HQfOuwzps8ETRTPllsMcqZg4xkP8ktlhXjBEJ0aUu9GXwumm58g+FYcYN71KTz/zRPjRiDfJx+1MovH2I= 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=CnXexU4t; arc=none smtp.client-ip=185.246.84.56 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="CnXexU4t" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 00F061A31BD; Tue, 7 Apr 2026 12:24:49 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id BF0D8603C7; Tue, 7 Apr 2026 12:24:48 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 092A1104500ED; Tue, 7 Apr 2026 14:24:36 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1775564685; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=ivxqBE+xFSPsodl278KAuSqCfPXljKrE3bnno2mTk08=; b=CnXexU4tEXTMs3uXlsG7FkcOVO75Pe0LOPPslUOFrwUH3Wub0BvslLwpqgvNwpY2QrKE81 MV8aBl49PsOOfMG6tvw73K2vjyBwryKXZR70SOYc9Ng4y8baWsBM7bsXouxnIYvckdXtA1 xql0xNoJLgCw7UwrwPmqR04LfjbH8sv0s61MryFJ6/YPA+AbJY4oQKgs7ca+Nlkxs1H9s2 Nvtjd6/NGc1KpKBZHyqrDLRkiuJVdHpuPESUGYVHQvDT/QYl/ppErH0E29zonlJlq3XL8A /7+Yoie1zqYGYtDSgT/AardFpdUDnUdVTi/4IudYIIwapczwRfsrLPJHvy+t4A== From: Luca Ceresoli Date: Tue, 07 Apr 2026 14:24:15 +0200 Subject: [PATCH v4 01/11] drm/mxsfb/lcdif: simplify remote pointer management using __free 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: quoted-printable Message-Id: <20260407-drm-lcdif-dbanc-v4-1-247a16e61ef9@bootlin.com> References: <20260407-drm-lcdif-dbanc-v4-0-247a16e61ef9@bootlin.com> In-Reply-To: <20260407-drm-lcdif-dbanc-v4-0-247a16e61ef9@bootlin.com> To: Marek Vasut , Stefan Agner , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Liu Ying , Rob Herring , Saravana Kannan Cc: Damon Ding , "Kory Maincent (TI.com)" , =?utf-8?q?Herv=C3=A9_Codina?= , Hui Pu , Ian Ray , Thomas Petazzoni , dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Adam Ford , Alexander Stein , Christopher Obbard , Daniel Scally , Emanuele Ghidoli , Fabio Estevam , Francesco Dolcini , Frieder Schrempf , Gilles Talis , =?utf-8?q?Goran_Ra=C4=91enovi=C4=87?= , Heiko Schocher , Josua Mayer , Kieran Bingham , Marco Felsch , Martyn Welch , Oleksij Rempel , Peng Fan , Richard Hu , Shengjiu Wang , Stefan Eichenberger , Vitor Soares , Luca Ceresoli X-Mailer: b4 0.15.1 X-Last-TLS-Session-Version: TLSv1.3 Putting the remote device_node reference requires a of_node_put(remote) in two places. Use a cleanup action to simplify the code. Reviewed-by: Liu Ying Tested-by: Martyn Welch Tested-by: Alexander Stein # TQMa8MPxL/MB= a8MPxL Signed-off-by: Luca Ceresoli --- Changes in v2: - Use the correct cleanup action - Fix commit message - add missing cleanup.h include --- drivers/gpu/drm/mxsfb/lcdif_drv.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/mxsfb/lcdif_drv.c b/drivers/gpu/drm/mxsfb/lcdi= f_drv.c index 47da1d9336b9..7719629487da 100644 --- a/drivers/gpu/drm/mxsfb/lcdif_drv.c +++ b/drivers/gpu/drm/mxsfb/lcdif_drv.c @@ -5,6 +5,7 @@ * This code is based on drivers/gpu/drm/mxsfb/mxsfb* */ =20 +#include #include #include #include @@ -53,16 +54,13 @@ static int lcdif_attach_bridge(struct lcdif_drm_private= *lcdif) int ret; =20 for_each_endpoint_of_node(dev->of_node, ep) { - struct device_node *remote; + struct device_node *remote __free(device_node) =3D + of_graph_get_remote_port_parent(ep); struct of_endpoint of_ep; struct drm_encoder *encoder; =20 - remote =3D of_graph_get_remote_port_parent(ep); - if (!of_device_is_available(remote)) { - of_node_put(remote); + if (!of_device_is_available(remote)) continue; - } - of_node_put(remote); =20 ret =3D of_graph_parse_endpoint(ep, &of_ep); if (ret < 0) { --=20 2.53.0