From nobody Fri Apr 17 09:18:16 2026 Received: from out203-205-221-202.mail.qq.com (out203-205-221-202.mail.qq.com [203.205.221.202]) (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 3CBE83EBF15 for ; Sat, 21 Feb 2026 00:44:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.205.221.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771634663; cv=none; b=XhsqrkF579VX1yJ7ctLxNN5n7DBGKKE2t6O7ENUwDWE0F77E0KYpt740aYQyLcmNEwxuJkWvmDYD7dLnTBStzmb7660z4dWMfRkRaInJCWyBan95t8EeL8ed5o+ND4eRLCu11mWKMBDTcm4wRrrKe979+mqoqUNMSlAQUUzd8n4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771634663; c=relaxed/simple; bh=Ybe9QhNrouLtHa3YtnX2uQE/Yn17r/LHEFutK5jr3eU=; h=Message-ID:From:To:Cc:Subject:Date:MIME-Version; b=BgJoOfndNHfgi1nJU3ngxNYa/oORn52MwHN87ii567h72p0ahinczVuJH1spdX+hZoaEh0tv4D4pwztQbQ4crZEITuYtTU4W2p0q3/9pd+GkbvTXj/0vVqeJ6TiBrUpMMmdmJD9HoshcEmDuopzB0FYevNCsxySg0RgwRn75aYw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foxmail.com; spf=pass smtp.mailfrom=foxmail.com; dkim=pass (1024-bit key) header.d=foxmail.com header.i=@foxmail.com header.b=uTXhu8SJ; arc=none smtp.client-ip=203.205.221.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foxmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=foxmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=foxmail.com header.i=@foxmail.com header.b="uTXhu8SJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foxmail.com; s=s201512; t=1771634652; bh=NAjjqrpCSMYNy0iR2NzdrBAGVZVg+6SRsGa23R59QU4=; h=From:To:Cc:Subject:Date; b=uTXhu8SJvz3LXLd2DX1vOC7DwgmK2GInPznkmlWRyNsX46w9gxyuY4fLi42nDNb0f TIJbNRomJJe7QsAzghASB03Y7mUXm4YfPbmamWdjpmxzm0GqeePPl1ArtUvXGBluYs 2noWzfXGvZn9s4+nGYXUC12cfldTQBYfk8Y8vTtY= Received: from localhost.localdomain ([116.128.244.169]) by newxmesmtplogicsvrsza56-0.qq.com (NewEsmtp) with SMTP id A3113C4E; Sat, 21 Feb 2026 08:40:49 +0800 X-QQ-mid: xmsmtpt1771634449tgvbkue5o Message-ID: X-QQ-XMAILINFO: M2SvzgchpLqfQUcwL5mx/2ncuwZeU0ZIlWpp7GxF80nJnN/ZRJ6bKNsRwnF7uE btOfFY3OD6VUHSZlGAXLa7ZCoxBvHE/t92MDAR/x5I9T7PNtl5uVh0OvI9JNFNEdLe3S8uHJHbdL 2UNjKcjtrnqqo3WJm+oO+erCr2V0Zr5M13zODGHBY9d6aKDF9J5QTtBKDoaJqoiNgw4laVKIsBO9 tACEdeWJec0p73Rv2sUyR8P0iLr/6ivOfIMqKxvAGqQcUROp55w2A8b3LZI590Yjn96J5uIhiSYp eMgPQ0pEIOocicTXlN7pkFmFwW9R2Sd7LxUZ6fCNZcUox7fju13WKvLhxXiT1UPGHoS3j7w5qF+1 d3gG0Nod287ROHI3wAYIyHXd8VdOF36ZP5OlK7Xe1rEj9sp0OZp0n8psLZSYeo3O4/yI3ntNaTkg gTcU3sWzpNHkGDm69uGcJQRiJv7CYsTZ8cEzQDnOtPlYq/p0p4TwLrKkbTWOG3YrYpSEzXNfwCBi mtSXz6QSg8w9wKTL7g9dtQIlrtql81ttERlLTafkdpaCrqQvATncca8Mz2XJZ0f0UX6W/u2i2jT2 z86JfHTr5nBSRu5wBj0OFk4u42PCtZWUxpDAnpG48+WwqaZvXWkxH8EBIAfzy8d0fhMjtArRifXS ntjs/Y8sXSMdN4VsJNJ53WU5jcsv2HWtngpaN7I+3pO54pXHAA5hasnIk1vU2tvaMltuM8uveGYQ 8BGG6TBZsUHV6kZFn/zbjf584i2c3ayGM+1Px/xLhWjqGPXxMOcIjJbqKNlEXF970PHDGTLw1MxO v2YO4xJ2UWWC6CfLQM3Z8OMvzDjb8R9eDpjzKlnf1CZnmKG4yKnslNkYqpVwp/1omFV9AWcFJB1y LMKGOjt426GNmGJjlSVTrObegCYijQ4nZmVk84gedIVHf0PzLZim5D0OXBVbCQ/SPuEUoyX6Adii Va+QApeZt9krzp6vDViMa2pHAitRe1uyW8iiE0WfY7qqxoOPH2HIcViTBJeblkuf2rjbzBDL5sTZ RqReYtVHl5k8x4GXOi X-QQ-XMRINFO: Nq+8W0+stu50tPAe92KXseR0ZZmBTk3gLg== From: xiaopeitux@foxmail.com To: heiko@sntech.de, shawn.lin@rock-chips.com, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Pei Xiao Subject: [PATCH] soc: rockchip: grf: fix device node refcount leak in error path Date: Sat, 21 Feb 2026 08:40:27 +0800 X-OQ-MSGID: <9016222c067613870e8e3fd89ba0b15adc523fcd.1771634299.git.xiaopei01@kylinos.cn> X-Mailer: git-send-email 2.25.1 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" From: Pei Xiao The for_each_matching_node_and_match() macro automatically manages device node reference counts during normal iteration. However, when breaking out of the loop early with return, the current iteration's node is not automatically released, leading to a reference count leak. Fix this by adding of_node_put() before returning from the loop when fails. Fixes: 75fb63ae0312 ("soc: rockchip: grf: Support multiple grf to be handle= d") Signed-off-by: Pei Xiao --- drivers/soc/rockchip/grf.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soc/rockchip/grf.c b/drivers/soc/rockchip/grf.c index 04937c40da47..b459607c118a 100644 --- a/drivers/soc/rockchip/grf.c +++ b/drivers/soc/rockchip/grf.c @@ -231,6 +231,7 @@ static int __init rockchip_grf_init(void) grf =3D syscon_node_to_regmap(np); if (IS_ERR(grf)) { pr_err("%s: could not get grf syscon\n", __func__); + of_node_put(np); return PTR_ERR(grf); } =20 --=20 2.25.1