From nobody Sun Feb 8 05:42:13 2026 Received: from mail-pg1-f179.google.com (mail-pg1-f179.google.com [209.85.215.179]) (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 0AFC3328B67 for ; Sat, 17 Jan 2026 06:28:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768631303; cv=none; b=Ao6RuuzHuIh0Tef42QnW4GWia6Ukp7XNVcrS1Y5H7iLaS6Yo4OMIyFIV9y18JlcpS5Qb1tVFAFcP3Uw+hXJov6XsqeLNWYpcZWIX+X9zur/958ux/2DJYY4c+jdQ9FYbAUmcXYRpQ3LLTrCoukeQVPs/W8Wuob8748EtrTmH+Jo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768631303; c=relaxed/simple; bh=M38UZrYYRaTPEGzZ/Y7eDYLQg4w1JxPNyj8pheltCPs=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=dIsPzYtpYrJz/zSWqKq1G8CrOVdorBF6s3CphAGZ3gA17dqpVlBDHN2aLnVD3CWr4OvSq4BZiwZVH4E9dxBUXu+ALk0iWcQ+dtBMsEdCA5wWXy1959nVLUdwe+g5rsIEIfIqhqg2gOSYGwfzFmJ/fkzq1gyaGBB/lLZn39x8dKI= 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=cdnYvbjv; arc=none smtp.client-ip=209.85.215.179 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cdnYvbjv" Received: by mail-pg1-f179.google.com with SMTP id 41be03b00d2f7-bc09b3d3afeso1086571a12.0 for ; Fri, 16 Jan 2026 22:28:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1768631301; x=1769236101; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=GXNZ8DQ6tAU6IX0W5rGA92ANtuqk4OHiR9iWzAZEaeQ=; b=cdnYvbjvb2GFAev4rv0NUr6Uu61RJslyYGAuDlA6/DVMPTUOQBFvX46sFbrw3oGTcj n1Et4iBSvCh6+D5JX8belrH92c7sKt4IMkip4QN8yBBKCc7Yy730WWBV8bIzM2+fxZyk 3omXX3D8h9/2h59rlcWO9sCmiH6c9p0G7d/WbrjBXJfndB2vhKfDS6EMVJiTaGT73vU8 QeEmMOpo2+XPYg2k8zi0mBQ66CwqwrB0VB2fVK2Citc5eQyfAl5I39luWuCEAC0J2HFT E/06v1d/RjshQ0SPaBQbACts/N8SirRHS33S5X4iXdKLOhnHtMBJDFk5QQEkmIqUmTJa nCeA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768631301; x=1769236101; 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; bh=GXNZ8DQ6tAU6IX0W5rGA92ANtuqk4OHiR9iWzAZEaeQ=; b=mfIkYJzReqy6dGHYrAGYUqK/qjlVuz/05F5i0eT2LNWvz+J3ih9P2dI8O9v8c2vFCa djNVJIhQulCuiRaPKSQ8ciFlPxd9E+pwFRFd/y+ucn8IqkWP2eD9w+ym4wX0Sd6Hw2RW Xp+5GrN8Tt26dF5Fma8zaId+EvelAgTSKG7wWCvfsOuHBdglPaZNtfmJJPbLwWAilWsY wceZVogv+56Ad/tGdSwPSlg9SkboUYWQmXVLevJAsuh6UIF3wZZFE/F+RsF3eilgQSiw SYBgt4uzhTmFsfB4XFdjqhb2FtLUbvzuEmXAudOxUpR6aHAGTSUDxZv2aWWBfyohcr8P vvbA== X-Forwarded-Encrypted: i=1; AJvYcCUbgtKBM2XIX0B7NNEsRzuk6S9d36upt3WefvXfv0PplnPjzmMNI9TZO0XbJuh8aUowi0HsZ0NWf1kT5WQ=@vger.kernel.org X-Gm-Message-State: AOJu0YyGabOr1sm6ehFxlg67mzZPamW1h0dhhzv5EtC3EDO0EBRFVPHp C+36TvAE1wbN9DfxGGHVsftI2fYOLb4PYUwXVDSLTnXNX7H/rHnkm3lz X-Gm-Gg: AY/fxX4vFNTRHfVwTEwio6iULx9nSPNJ34Q3Wwq0oHuMq+x3zrcglr3zsqTu0vWcDyV WNZurJAkPS9QLHBTQawma11/k4a+FA77oIVhjmkY590qu7MbSVH51GiyAZFV0lpbFxRPQBRszDG C82ZLDBqTxN8PKzj+2WmznCAOoe4WXT00LpItparrurs/4pSlMk2ZkE/fCcBDrb2HE+N3L5kFNK NV4mrvO3v71ZWJxIgXYYyY8sF9OC9gneyRJV5BdM/OTAj2ZirGDmCIhE7Fl1/h+9KGc2lM1kq+D tpmmef2dT0/aiUXr8iZcuBHNTgadHtO4JUTwqCfN/6IbLY1hYKmtyiWzZN3yK57to/ZU9t/h5+e zq/4NkY/uzy1hy5lAJgnXN4GoJeY/Iove6jajcXCCpiVP2f0R64B5TMn5bUJlzzxw99bFYYwvTg qQs7P1ikeJmT5wvPzP3zb5C61baJxpfjKAkBqaKARFBtL/V5JplBbEe/awwFP9uOOTUhuCGMqU/ 0iTBMLYiC+QMcfmpVjx1ov1kzhTlHSX71LWDkk5HvDHTOoFX1zlUdJriQ== X-Received: by 2002:a05:6a21:6d88:b0:364:783:8c0f with SMTP id adf61e73a8af0-38e00c42ea3mr5018596637.33.1768631301315; Fri, 16 Jan 2026 22:28:21 -0800 (PST) Received: from c8971f1abf06.ap-southeast-2.compute.internal (ec2-54-252-206-51.ap-southeast-2.compute.amazonaws.com. [54.252.206.51]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c5edf232f00sm3603396a12.2.2026.01.16.22.28.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Jan 2026 22:28:20 -0800 (PST) From: Weigang He To: tony@atomide.com, aaro.koskinen@iki.fi, andreas@kemnade.info, khilman@baylibre.com, rogerq@kernel.org Cc: linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, Weigang He , stable@vger.kernel.org Subject: [PATCH] bus: ti-sysc: fix reference count leak on module unload Date: Sat, 17 Jan 2026 06:28:14 +0000 Message-Id: <20260117062814.440540-1-geoffreyhe2@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The stdout_path static variable holds a reference to a device_node obtained from of_find_node_by_path(). When the ti-sysc module is unloaded, this reference is never released, causing a reference count leak. Add of_node_put(stdout_path) in sysc_exit() to properly release the device_node reference when the module is unloaded. Fixes: 3bb37c8e6e6a ("bus: ti-sysc: Handle stdout-path for debug console") Cc: stable@vger.kernel.org Signed-off-by: Weigang He --- drivers/bus/ti-sysc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index fd631a9889c1e..822b9b1b2f6fa 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -3338,6 +3338,9 @@ module_init(sysc_init); =20 static void __exit sysc_exit(void) { + if (!IS_ERR_OR_NULL(stdout_path)) + of_node_put(stdout_path); + bus_unregister_notifier(&platform_bus_type, &sysc_nb); platform_driver_unregister(&sysc_driver); sysc_cleanup_static_data(); --=20 2.34.1