{"id":2222739,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2222739/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260413141526.2961841-1-lgs201920130244@gmail.com/","project":{"id":21,"url":"http://patchwork.ozlabs.org/api/1.2/projects/21/?format=json","name":"Linux Tegra Development","link_name":"linux-tegra","list_id":"linux-tegra.vger.kernel.org","list_email":"linux-tegra@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260413141526.2961841-1-lgs201920130244@gmail.com>","list_archive_url":null,"date":"2026-04-13T14:15:26","name":"[v3] gpu: host1x: Fix device reference leak in host1x_device_parse_dt() error path","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"3fff0e6c0e95c542f3f11ce6d802d2fc9b5eeead","submitter":{"id":91722,"url":"http://patchwork.ozlabs.org/api/1.2/people/91722/?format=json","name":"Guangshuo Li","email":"lgs201920130244@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260413141526.2961841-1-lgs201920130244@gmail.com/mbox/","series":[{"id":499714,"url":"http://patchwork.ozlabs.org/api/1.2/series/499714/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-tegra/list/?series=499714","date":"2026-04-13T14:15:26","name":"[v3] gpu: host1x: Fix device reference leak in host1x_device_parse_dt() error path","version":3,"mbox":"http://patchwork.ozlabs.org/series/499714/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2222739/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2222739/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-tegra@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=fpE4uFcS;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-tegra+bounces-13748-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=\"fpE4uFcS\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.210.171","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=gmail.com"],"Received":["from sea.lore.kernel.org (sea.lore.kernel.org\n [IPv6:2600:3c0a:e001:db::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fvV4P46fGz1yDF\n\tfor ; Tue, 14 Apr 2026 00:23:01 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id DBE433059598\n\tfor ; Mon, 13 Apr 2026 14:16:04 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id BE3493D8116;\n\tMon, 13 Apr 2026 14:16:04 +0000 (UTC)","from mail-pf1-f171.google.com (mail-pf1-f171.google.com\n [209.85.210.171])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 798E13CB2F1\n\tfor ; Mon, 13 Apr 2026 14:16:03 +0000 (UTC)","by mail-pf1-f171.google.com with SMTP id\n d2e1a72fcca58-824c9da9928so3120382b3a.3\n for ;\n Mon, 13 Apr 2026 07:16:03 -0700 (PDT)","from lgs.. 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That bypasses\nthe normal device lifetime handling and leaks the reference held on the\nembedded struct device.\n\nThe issue was identified by a static analysis tool I developed and\nconfirmed by manual review.\n\nFix this by using put_device() in the host1x_device_parse_dt() failure\npath.\n\nFixes: f4c5cf88fbd50 (\"gpu: host1x: Provide a proper struct bus_type\")\nCc: stable@vger.kernel.org\nSigned-off-by: Guangshuo Li \n---\nv3:\n - note that the issue was identified by my static analysis tool\n - and confirmed by manual review\n\nv2:\n - add Cc: stable@vger.kernel.org\n\n drivers/gpu/host1x/bus.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)","diff":"diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c\nindex 63fe037c3b65..e3ac85848aec 100644\n--- a/drivers/gpu/host1x/bus.c\n+++ b/drivers/gpu/host1x/bus.c\n@@ -452,7 +452,7 @@ static int host1x_device_add(struct host1x *host1x,\n \n \terr = host1x_device_parse_dt(device, driver);\n \tif (err < 0) {\n-\t\tkfree(device);\n+\t\tput_device(&device->dev);\n \t\treturn err;\n \t}\n \n","prefixes":["v3"]}