From patchwork Tue Aug 25 14:10:35 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sushanto X-Patchwork-Id: 3052 Return-Path: X-Original-To: noreply@patchwork.local Delivered-To: noreply@patchwork.local Received: from sea.lore.kernel.org (sea.lore.kernel.org [172.234.253.10]) by mxe881.netcup.net (Postfix) with ESMTPS id 8FFDF1C05C7 for ; Tue, 25 Aug 2026 16:28:48 +0200 (CEST) Authentication-Results: mxe881; dkim=pass header.d=gmail.com; spf=pass (sender IP is 172.234.253.10) smtp.mailfrom=linux-sunxi+bounces-25346-noreply=patchwork.local@lists.linux.dev smtp.helo=sea.lore.kernel.org Received-SPF: pass (mxe881: domain of lists.linux.dev designates 172.234.253.10 as permitted sender) client-ip=172.234.253.10; envelope-from=linux-sunxi+bounces-25346-noreply=patchwork.local@lists.linux.dev; helo=sea.lore.kernel.org; Received: from smtp.subspace.kernel.org (conduit.subspace.kernel.org [100.90.174.1]) by sea.lore.kernel.org (Postfix) with ESMTP id 44B2331C60B7 for ; Tue, 25 Aug 2026 14:10:55 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id DACB6481649; Tue, 25 Aug 2026 14:10:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="p1/86vpv" X-Original-To: linux-sunxi@lists.linux.dev Received: from mail-pj1-f53.google.com (mail-pj1-f53.google.com [209.85.216.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8786C3D25D0 for ; Tue, 25 Aug 2026 14:10:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.53 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787667052; cv=none; b=DrLtQPJ8YV8MD4uvZv7nFMfkiXtd9Qc7sxoZxreuMRZ3pQx7hoYhi2MD5k7JO5B8fO3tYL9icU0qAyDn0iv8Vaa7d0wGk4sEGuy+zWU1rmLK126GopvV+It0ODAKXp02XSRoggnqMIeumVyhET8CRbi6WN/eutyOUI4vSzQhGug= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787667052; c=relaxed/simple; bh=1A8fABCFuifqVIEGjwCpU3ptFnX5HKfPD+BMzGnAtrw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Lo9lt7RS5BFi1hIk1ufYhyGI45h32A7U4eDnO4tlFhjN75blk71jGp3TGF6F31Uf7loUAK9jWPkKXQH1LE253uEWTueSqPvamv6nmUUJDM3QY97oNZiCz9J9Kx22FgfAhr3lJfgF0GyEguu5Rdx/GEtzUHHXwHlo9eWbNlyHegw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=p1/86vpv; arc=none smtp.client-ip=209.85.216.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pj1-f53.google.com with SMTP id 98e67ed59e1d1-3966791a6eeso69086a91.3 for ; Tue, 25 Aug 2026 07:10:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1787667051; x=1788271851; darn=lists.linux.dev; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=9ZIjmuEHE9Rlk5riwplSnnGgEFCzgmjA3IFA8anx86U=; b=p1/86vpvMfXWDth37c520GOHB2OBfZKALtRLQq7GqbTeKuGQ349KOivf1x+ubLlSyd nR7FWE1IE/A5+QZIUxEkGmXes63pq865aKEWaWnQL6VbQp4FRcsNSW8QpFDixDXVmj/j nTjmhxhjSEktddsWLjzuT64mRFZl61zu7YubXynI+4Jr6FCxJ89U4fiwNM8GUP+boevd WDGYZDSNhtfLbFLF4swZMwNbCphTJQmp3uokTRRkX7YJDWzQt5XsXuFhK+x9aNvh5iXY M7Q25dbLdx6Uh/ojvqOueMO3tA+YrfiltbbaUQFt328F+P4953XPFiLx0rEOASeccw4a /kMA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787667051; x=1788271851; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=9ZIjmuEHE9Rlk5riwplSnnGgEFCzgmjA3IFA8anx86U=; b=N0VqHxcKxxfnRG6iKU1sLXDemsNLWk5SigDqYw4i+cxjbUEn64i+0hbFbEHtLcAm9V uUY7GsFdUzLsbEATb5tNeEJnkHGDXI9yWVlJSQ6squvK3wyHRHi42mkZAzzZbezy0VoP 00JxCSYRlbdZgFvlgFGAN4l8E0NOZInW0peMXicBYn41O2OkYsEUTpUeuCYgQ+3GFJdX DPU9rjh95RATz9XH5XGOTWr5bxWuswpyUMivGz9ijiIEOWDjF+265I+TVSUpDGdM56Dk QmZFxcB0OgYaIaiYGS/1/XzPibOGXHUlG/rsli+WCuF6SKh880kHZDskDJF0HAkVXBWh 2cXg== X-Forwarded-Encrypted: i=1; AHgh+Rp+DU5KQNCgnXYLH9Oi0Kz/GgofIkjWeGJhgBDVTmw7q+ZfnEsyI+PvUhrM4acM9tAX9OPUWqKAW/YpKQ==@lists.linux.dev X-Gm-Message-State: AFuF++lbupBvZuCahbouOOrWP4Br4K2Wlgn3oCn1Hl7Q0mJNWEp/EOxe s2a0Spknq6wWBz7bQjXZYq4K82UjBBv1Zprc7ze7acR5c1RR+fOEQwiI X-Gm-Gg: AR+sD11cYTRM3h8uavcm213/8T8ZxEo/TxmClP7Ttw/8/Qx3NJzldrFctRWualYMbQs MYRsLkgyl5juMDsL3Ui9z2UvGzzPBiX1W8G+aDqinSciNb4/d8Ti5MG00BDU6r1OvWCMdhD+89o mPVzkaYG/XtKb/Rk57SWRouulCy+LZa+eXMcmjlCbvKvXwrD8rdCGOvgmiEkEyQh1i//W6Vv2uN 2Xa+ArYwiTaDIpu84VTjPaimWkhs9cZLmRTF7Jgdc3K8J/VFpV52TnnURRjh55ylMnU5dJIKFRH Pd1AkzAiECUkyy1btUzlE49Snk5o6lMHzjm6STGfw8p3A68thBBTGFKOA5+R6T2jWlAd5725APR qXHhsFg7fmPsbbGgVWsYsGOp1afXYBP7qVirW1FDtvbHuMJMltVymrL900qC283YDs90dA4utXX HFoayfOJV2EU1TUfpM6SbpRobbIQGN+++yJgMWXzEmZ2gP6Jz5zsEHJnEe5qhuFB/g4X5j4iSMF 8h4zG3poNu/xAI= X-Received: by 2002:a17:90b:5844:b0:393:1d92:db5 with SMTP id 98e67ed59e1d1-395c35e1199mr72431253a91.10.1787667050000; Tue, 25 Aug 2026 07:10:50 -0700 (PDT) Received: from DESKTOP-E2NGI2F ([103.155.185.60]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-327f909a51fsm34020361eec.4.2026.08.25.07.10.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Aug 2026 07:10:49 -0700 (PDT) From: Sushanto To: Liam Girdwood , Mark Brown Cc: Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , alsa-devel@alsa-project.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Sushanto Subject: [PATCH] ASoC: sun4i-codec: Fix OF node reference leaks for analog controls Date: Tue, 25 Aug 2026 20:10:35 +0600 Message-ID: <20260825141035.784-1-seditorofficial@gmail.com> X-Mailer: git-send-email 2.55.0.windows.4 Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Rspamd-Server: rspamd-worker-8404 X-Spamd-Result: default: False [0.34 / 15.00]; BAYES_HAM(-5.50)[100.00%]; RBL_SENDERSCORE(2.00)[172.234.253.10:from]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; DMARC_POLICY_SOFTFAIL(1.00)[gmail.com : SPF not aligned (relaxed), No valid DKIM,none]; R_MISSING_CHARSET(0.50)[]; MAILLIST(-0.15)[generic]; BAD_REP_POLICIES(0.10)[]; MIME_GOOD(-0.10)[text/plain]; HAS_LIST_UNSUB(-0.01)[]; PRECEDENCE_BULK(0.00)[]; FROM_HAS_DN(0.00)[]; TAGGED_RCPT(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_CC(0.00)[csie.org,gmail.com,sholland.org,alsa-project.org,lists.infradead.org,lists.linux.dev,vger.kernel.org]; DBL_BLOCKED_OPENRESOLVER(0.00)[sea.lore.kernel.org:rdns,sea.lore.kernel.org:helo]; FORGED_SENDER_MAILLIST(0.00)[]; RCVD_COUNT_FIVE(0.00)[6]; ARC_ALLOW(0.00)[subspace.kernel.org:s=arc-20240116:i=1]; TAGGED_FROM(0.00)[bounces-25346-noreply=patchwork.local]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(0.00)[+ip4:172.234.253.10]; TO_DN_SOME(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[209.85.216.53:received,100.90.174.1:received,103.155.185.60:received]; FROM_NEQ_ENVFROM(0.00)[seditorofficial@gmail.com,linux-sunxi@lists.linux.dev]; RCPT_COUNT_SEVEN(0.00)[10]; FORGED_RECIPIENTS_MAILLIST(0.00)[]; ASN(0.00)[asn:63949, ipnet:172.234.224.0/19, country:SG]; FREEMAIL_TO(0.00)[gmail.com,kernel.org]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[172.234.253.10:from] X-Rspamd-Queue-Id: 8FFDF1C05C7 X-MORS-Enabled: yes X-MORS-DOMAIN: patchwork.local X-MORS-HOSTING: hosting172546 X-MORS-USER: hosting172546 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= The device node obtained from of_parse_phandle() for "allwinner,codec-analog-controls" in sun8i_a23_codec_create_card(), sun8i_h3_codec_create_card(), and sun8i_v3s_codec_create_card() has its reference count incremented by of_parse_phandle(). However, the driver fails to drop this reference count when sun4i_codec_create_link() fails, when snd_soc_register_card() fails in sun4i_codec_probe(), or when the driver is removed in sun4i_codec_remove(). Fix this by adding the missing of_node_put(aux_dev.dlc.of_node) calls in these error paths and in sun4i_codec_remove(). Fixes: 08289086b0ab ("ASoC: sun4i-codec: Add support for A23 codec") Signed-off-by: Sushanto --- sound/soc/sunxi/sun4i-codec.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c index 835dc3404..b10c2beac 100644 --- a/sound/soc/sunxi/sun4i-codec.c +++ b/sound/soc/sunxi/sun4i-codec.c @@ -1429,8 +1429,11 @@ static struct snd_soc_card *sun8i_a23_codec_create_card(struct device *dev) } card->dai_link = sun4i_codec_create_link(dev, &card->num_links); - if (!card->dai_link) + if (!card->dai_link) { + of_node_put(aux_dev.dlc.of_node); + aux_dev.dlc.of_node = NULL; return ERR_PTR(-ENOMEM); + } card->dev = dev; card->owner = THIS_MODULE; @@ -1468,8 +1471,11 @@ static struct snd_soc_card *sun8i_h3_codec_create_card(struct device *dev) } card->dai_link = sun4i_codec_create_link(dev, &card->num_links); - if (!card->dai_link) + if (!card->dai_link) { + of_node_put(aux_dev.dlc.of_node); + aux_dev.dlc.of_node = NULL; return ERR_PTR(-ENOMEM); + } card->dev = dev; card->owner = THIS_MODULE; @@ -1507,8 +1513,11 @@ static struct snd_soc_card *sun8i_v3s_codec_create_card(struct device *dev) } card->dai_link = sun4i_codec_create_link(dev, &card->num_links); - if (!card->dai_link) + if (!card->dai_link) { + of_node_put(aux_dev.dlc.of_node); + aux_dev.dlc.of_node = NULL; return ERR_PTR(-ENOMEM); + } card->dev = dev; card->owner = THIS_MODULE; @@ -1808,6 +1817,8 @@ static int sun4i_codec_probe(struct platform_device *pdev) ret = snd_soc_register_card(card); if (ret) { dev_err_probe(&pdev->dev, ret, "Failed to register our card\n"); + of_node_put(aux_dev.dlc.of_node); + aux_dev.dlc.of_node = NULL; goto err_assert_reset; } @@ -1830,6 +1841,8 @@ static int sun4i_codec_remove(struct platform_device *pdev) if (scodec->rst) reset_control_assert(scodec->rst); clk_disable_unprepare(scodec->clk_apb); + of_node_put(aux_dev.dlc.of_node); + aux_dev.dlc.of_node = NULL; return 0; }