From nobody Tue Feb 10 23:53:27 2026 Received: from mail-pf1-f170.google.com (mail-pf1-f170.google.com [209.85.210.170]) (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 E46A038B7AD for ; Tue, 10 Feb 2026 18:14:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.170 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770747257; cv=none; b=jGL+ogbKcp7RR13um+NkHe2QuZgUZNCJzs6n16ffXmZHv2LV/WYb6r/9UVQlSZ6oHkKJWFyf7CcuL5q5HRbR6PbUXbPv4JRZHQMHIyx2AC6i+t7cJjp+Logm4HQdz1lMWWDNnhvzAKc03vsCexS7N2c1JuFbAtEWVptd2VwR3Og= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770747257; c=relaxed/simple; bh=D7LsG92Q4V6EDnOUhkN7SNCkXGuQ3EoxFFnH36KITpo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=gb1vSDGoqZM4kLZvWxXDutoZWF3GjF6CZj0V1dVua+ol+J1+07zVNfqRn9BH2zEfaeSmx9te8UHgn+hTG/NXWChI8JEaD/kejpHDdwsy5RibIeYbxWkYAh/u0ncd8Vt+ZBtm9qiqZTzEWZraLY3V7GfWsqrgt9QuyN4iNuAtk2k= 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=OGhZSnlw; arc=none smtp.client-ip=209.85.210.170 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="OGhZSnlw" Received: by mail-pf1-f170.google.com with SMTP id d2e1a72fcca58-8230c839409so1029546b3a.3 for ; Tue, 10 Feb 2026 10:14:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1770747256; x=1771352056; darn=vger.kernel.org; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:from:to:cc:subject:date:message-id:reply-to; bh=9+ncAZEnZ4mXiLnJbrXQN6RzFcWEjU5z/GGAu5tYy5I=; b=OGhZSnlwyaE4JPEAjMowINWyxvJwuDf7h12ZNlXzv4EOa7BPMa9tp1kpp4pA1rM7Ol MWqLGYNlrN0BXEijygwI02T17Rq2Xm8dta2oLB0FfVQB8tdPCuWla1oSLxfO10Vfv3Ae 2AzFEG4AbZKthQDAx49opIfi6YgTOyZ0dWX1dbRo/BIHESG76IM7oKkn2eTZFCFKu10H uLICg3aIV9LrwPEghhKswGuTftpZYQ9H15Fc0XHFwCD6aaULk461Izurzbf/P1mBs+kY NNodtsaYUjo9VO9jKhTRVX6AZSmqSFCNonJoQjFddhQNagWIGsDQ3c2LlOWimkjZJVn8 /YPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770747256; x=1771352056; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=9+ncAZEnZ4mXiLnJbrXQN6RzFcWEjU5z/GGAu5tYy5I=; b=WjiP6EDeif3MeMQWpmAx5CARbXJqrhMaFh8MnMCfQBc0eSwJJd0uhgCNVyD4PIG/Dt YFWNxiPQlKH1pB46fP8TEap7A3gkDsdPFS5LiRddy1a/1y9N6jbkaANcHsTRjhV+GnPx c9OZ4Ns3bo4gF6U1Bh+igOHClpdSVM6wiH8+E+Y2kb7/4lM3f6HUGxYC1RuU0m/3VqsV bVeJ7TeoU8fjAaVLKOIq+k22CuVxDYVWbMZPsa9q/wVA2STTcyjksiLqE6aIme0VikJZ witV/e6iYByxVHEdjbtzlT3uQmJkZRsORpKY0t1jprCxPma/rB2fgRNe9cZZWxMlfxkp qdyw== X-Forwarded-Encrypted: i=1; AJvYcCUbvc91DkxrV0tpbGP09BdfuyalPr7Si9Es9/JqiHrYsLyWAhetD4NqIG+ZnX4xyhChf4NswaytqtLDZJQ=@vger.kernel.org X-Gm-Message-State: AOJu0YzNMVTlWLSi5z4fIVpAjzI7oTcyMqF6hgtWitKfRkPBly3qUAOr z9GmjvM8znWvE4eWE22CjyARGrv8BPNjasy0lda3CN8hP03crCmyTvTX X-Gm-Gg: AZuq6aINxk2+JEfVadCROVUlLPZ0mS69iNvOyFFrxEMNi0atvlQXFVRiZsh02XEJaM5 CiafceHIrC6EefsJVIQIU69cI8mJKPi6ncQPW74fkWwypUywtuoHskCmYfoFpV11tr8v4oTQ31M WKMCL+ruzIRGzmNTGa3u+g7akMRhScbTYx9e+4FOf/QtOyAnzT73ove+xze4Fgt1ChD+dbKX2BZ rIccHRK0JA76G1B5nT42ao5PAsI8yBNO3UJKff/NnjIoaEDHGdBllhXIRcuGzGygWSSJ2ZMSUyF J/ZRlX1x40RPM6/mfntb5018A489WQVo2Wf2tPQd0c1tS1vYh5OoZ9VNJQiW6QAW8eivitK05Wl cKLtrta47G7Px+23tqlvxCJdf3Fd0eQwNITkLmTZzHa85GfSXUojl7Gbpzw563WQfRy9Nzuj4+l LFRVl3BzIiok4tVLJ5vN8Ze2s3j0+ElVD5a1LiCg== X-Received: by 2002:a05:6a21:e8c:b0:341:c4e5:f626 with SMTP id adf61e73a8af0-393acf9a9a9mr16114957637.7.1770747256058; Tue, 10 Feb 2026 10:14:16 -0800 (PST) Received: from junjungu-PC.localdomain ([2408:820c:9008:ba52:c4d8:99f6:9031:4ec9]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35662e6ad4esm3400265a91.6.2026.02.10.10.14.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Feb 2026 10:14:15 -0800 (PST) From: Felix Gu Date: Wed, 11 Feb 2026 02:14:11 +0800 Subject: [PATCH] phy: ti: j721e-wiz: Fix device_node leak in wiz_get_lane_phy_types() 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: <20260211-wiz-v1-1-fdd018d02f33@gmail.com> X-B4-Tracking: v=1; b=H4sIAHJ1i2kC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDIwMT3fLMKl3LRDNzMwOTRANjkzQloMqCotS0zAqwKdGxtbUAjc6REVU AAAA= X-Change-ID: 20260204-wiz-9a67604a034f To: Vinod Koul , Neil Armstrong , Kishon Vijay Abraham I , Jyri Sarha Cc: linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, Felix Gu X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1770747253; l=1321; i=ustc.gu@gmail.com; h=from:subject:message-id; bh=D7LsG92Q4V6EDnOUhkN7SNCkXGuQ3EoxFFnH36KITpo=; b=Xh6eJkuNPhEC5Z/GHopWdIYM9Ju6iKGaR6m5YBn8yvea6ZODUZ+ZdDUpD8FsyToVSlfZckp1/ YWzy79d9kPTCCsUck3OOd2HIQluLzXoeHh+PenibrPM18jIhFyNwWTi X-Developer-Key: i=ustc.gu@gmail.com; a=ed25519; pk=fjUXwmjchVN7Ja6KGP55IXOzFeCl9edaHoQIEUA+/hw= The 'serdes' device_node is obtained using of_get_child_by_name(), which increments the reference count. However, it is never put, leading to a memory leak. Use the __free(device_node) attribute to automatically decrement the reference count when the 'serdes' variable goes out of scope. Fixes: 7ae14cf581f2 ("phy: ti: j721e-wiz: Implement DisplayPort mode to the= wiz driver") Signed-off-by: Felix Gu --- drivers/phy/ti/phy-j721e-wiz.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/phy/ti/phy-j721e-wiz.c b/drivers/phy/ti/phy-j721e-wiz.c index 12a19bf2875c..904541e9138e 100644 --- a/drivers/phy/ti/phy-j721e-wiz.c +++ b/drivers/phy/ti/phy-j721e-wiz.c @@ -1407,9 +1407,8 @@ MODULE_DEVICE_TABLE(of, wiz_id_table); =20 static int wiz_get_lane_phy_types(struct device *dev, struct wiz *wiz) { - struct device_node *serdes; - - serdes =3D of_get_child_by_name(dev->of_node, "serdes"); + struct device_node *serdes __free(device_node) =3D + of_get_child_by_name(dev->of_node, "serdes"); if (!serdes) { dev_err(dev, "%s: Getting \"serdes\"-node failed\n", __func__); return -EINVAL; --- base-commit: 193579fe01389bc21aff0051d13f24e8ea95b47d change-id: 20260204-wiz-9a67604a034f Best regards, --=20 Felix Gu