From patchwork Sat Oct 19 21:10:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Carrasco X-Patchwork-Id: 13842915 Received: from mail-wm1-f54.google.com (mail-wm1-f54.google.com [209.85.128.54]) (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 CDCD8136982; Sat, 19 Oct 2024 21:11:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729372269; cv=none; b=T/b/o8zkQcJamY7mVvYYqMPA+Yo4vswyKJnBZhT1fy/8v0owXZaREDuRLqzmP0kUsKxEU3nJhpCKogruEdvVO87M7hIJgX72gFCJQyngI/UG7Y5gVB3/kG6nOTJ4J/PO9XjKclpz0vO/wbbwK9gRUBy5mjlCID52JP/2MTZDUKI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729372269; c=relaxed/simple; bh=qfuwbrXniesiCqNvMuuNW4R19iV5Zv3fZ+JvoK/qX3w=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=MRFTYfxXnYIzHQzzpEDAc4pZFuQiHml6puibC/zTIXUXqlCpFa85ym2ajUdEql41lOz2ZUcUS73nCM03L5K3mE4cJq0zH3N92R1K4gaql0gZkQUshcnHd7FS1H8AOArbCx1MgnI9eq0FZsl2sq+s0sUSJneJIM0wFeKEkyEhuG4= 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=FC6xKdy/; arc=none smtp.client-ip=209.85.128.54 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="FC6xKdy/" Received: by mail-wm1-f54.google.com with SMTP id 5b1f17b1804b1-43168d9c6c9so8731545e9.3; Sat, 19 Oct 2024 14:11:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1729372266; x=1729977066; 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=FXuFFjarxobfIm4uDiHyZ/oOM7SSObKOv6PL/LdrCoY=; b=FC6xKdy/5ZnCbYur2cDvGD7cVB0FyZOiULit32BWiqxyRBoO49K4wzaUIf7KBgmoSX ggxHX6+vbhX2h0fDKuDtuGfq062xr+GEwZyz2RRTubyCPK0ftK4zLPF8E8Gm69pL5FWu mFsspeWnd0M94cwV6PT6Hg/5DOOAcNqFBJiHo+4IgqQFeF6Nck4XmtQxVkiwaM8ZdJOS IJmnJXzH6pAHBDvxUCuOyi9DghRTgWoma3r4rPV9pqVGzoZ1etLh9U/6YEJxVLiz1T+v A1woCztFkajs7iL3c30dHonhK3Q9GI2R+bEDH3X2WRvNYOcWBhhHryBoxOXg0GlGHtCv cpmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729372266; x=1729977066; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=FXuFFjarxobfIm4uDiHyZ/oOM7SSObKOv6PL/LdrCoY=; b=KlEvLm2OjchVbFUVQWjQnwWCNQryxdke0rR6b0VmvaiM1mGQMXLxSV+NOZtueqo1ny anWgFsekH2Ib6qCVfdxUsZ4melrH73hU2ppn/ZIBe291/St61EcdFpxTpV+nzqoZ/soz CHWw1EKSRizraOOhHNbzHMVm+/ONfVBQFoaxCtQ95VWuVYh2DEIV7K2JJq+m6itOqphn WqyewEnsceEo5E2uWCGeVzIeSRiEMj1tusV47ktIns609NRtxp36RkxYfRA/d//xpm3H 8k53dKPdaekn01qzv3pbPBwnMxMlIXzZwV5+7e2cAt3R+Qrk76KwZn6S7EU4dA7lkFDz nZrg== X-Forwarded-Encrypted: i=1; AJvYcCUfJr6mzoRPY9p7LYZGSSqlee40nRZyCRFal8V0AWU+2B0fElfWUMHW2536nrgvZBeUQwgdgHwz@vger.kernel.org, AJvYcCVQOwIHpITCir3F0ZJWS3cefxTS062rQmk02/ECd2FZo+bn+A8SeKXDRjeJgV9dPvFZXSIyZKfMnQmH@vger.kernel.org, AJvYcCVcXnt08LWPAYNz8BMviH3SY40gNNZqPjtIcorPTlPlgzQorbbfGcDNZPQAGKVOitlyEEDOT4f2VtRHDZM=@vger.kernel.org X-Gm-Message-State: AOJu0Ywk8Auc2YlzUSTHxPHjTjvp/nLJZg7i0SFaqLQYNOwHEQKg2kxO 7uRm4QsLKx8pvfBo/haODXDSW5AhLQexphBAq3pOhjf5qClwqiz2 X-Google-Smtp-Source: AGHT+IEZrDRm/2sQzA+KwEhqn68UKlqWb0oQCvw0d2zXMoWdNtVYNcxKeZCTgr29BthRYh33sms5bw== X-Received: by 2002:a05:600c:45c3:b0:431:3933:1d30 with SMTP id 5b1f17b1804b1-4316161f596mr57344375e9.5.1729372265771; Sat, 19 Oct 2024 14:11:05 -0700 (PDT) Received: from [127.0.1.1] (2a02-8389-41cf-e200-f8f1-d6d3-1513-aa34.cable.dynamic.v6.surfer.at. [2a02:8389:41cf:e200:f8f1:d6d3:1513:aa34]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4316f57fc17sm4479865e9.15.2024.10.19.14.11.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 19 Oct 2024 14:11:04 -0700 (PDT) From: Javier Carrasco Date: Sat, 19 Oct 2024 23:10:51 +0200 Subject: [PATCH] usb: typec: qcom-pmic-typec: fix missing fwnode removal in error path Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241019-qcom_pmic_typec-fwnode_remove-v1-1-884968902979@gmail.com> X-B4-Tracking: v=1; b=H4sIAFogFGcC/x3MTQrCMBAG0KuUWRuYlIjUq4gEmXzRWeTHRKpSe neDy7d5G3U0RafztFHDql1LHrCHieRxy3cYDcM08+ws28U8pSRfk4p/fSvExHcuAb4hlRWGOYh b+OgknmgctSHq5/9frvv+Ayi4qAVvAAAA To: Bryan O'Donoghue , Heikki Krogerus , Greg Kroah-Hartman , Dmitry Baryshkov Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Javier Carrasco X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1729372264; l=1482; i=javier.carrasco.cruz@gmail.com; s=20240312; h=from:subject:message-id; bh=qfuwbrXniesiCqNvMuuNW4R19iV5Zv3fZ+JvoK/qX3w=; b=e8pTZRo8KiJR+JkV8+CgcmEKtiha0LlKSFWcJbTD4kd3hClgyK8PiBWR29Ghgwgrc3rogkTJI a+HzbJBCuqEDJEENNOTtVN8FYfUxDsWFIvzuUHbyePArlkr8WxoATmr X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=lzSIvIzMz0JhJrzLXI0HAdPwsNPSSmEn6RbS+PTS9aQ= If drm_dp_hpd_bridge_register() fails, the probe function returns without removing the fwnode via fwnode_remove_software_node(), leaking the resource. Jump to fwnode_remove if drm_dp_hpd_bridge_register() fails to remove the software node acquired with device_get_named_child_node(). Cc: stable@vger.kernel.org Fixes: 7d9f1b72b296 ("usb: typec: qcom-pmic-typec: switch to DRM_AUX_HPD_BRIDGE") Signed-off-by: Javier Carrasco --- drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- base-commit: f2493655d2d3d5c6958ed996b043c821c23ae8d3 change-id: 20241019-qcom_pmic_typec-fwnode_remove-00dc49054cf7 Best regards, diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c index 2201eeae5a99..776fc7f93f37 100644 --- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c @@ -93,8 +93,10 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev) return -EINVAL; bridge_dev = devm_drm_dp_hpd_bridge_alloc(tcpm->dev, to_of_node(tcpm->tcpc.fwnode)); - if (IS_ERR(bridge_dev)) - return PTR_ERR(bridge_dev); + if (IS_ERR(bridge_dev)) { + ret = PTR_ERR(bridge_dev); + goto fwnode_remove; + } tcpm->tcpm_port = tcpm_register_port(tcpm->dev, &tcpm->tcpc); if (IS_ERR(tcpm->tcpm_port)) {