{"id":2222502,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2222502/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260412120644.2449624-1-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":"<20260412120644.2449624-1-lgs201920130244@gmail.com>","list_archive_url":null,"date":"2026-04-12T12:06:43","name":"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/20260412120644.2449624-1-lgs201920130244@gmail.com/mbox/","series":[{"id":499598,"url":"http://patchwork.ozlabs.org/api/1.2/series/499598/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-tegra/list/?series=499598","date":"2026-04-12T12:06:43","name":"gpu: host1x: Fix device reference leak in host1x_device_parse_dt() error path","version":1,"mbox":"http://patchwork.ozlabs.org/series/499598/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2222502/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2222502/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=ZX77l/4z;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; helo=sto.lore.kernel.org;\n envelope-from=linux-tegra+bounces-13715-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=\"ZX77l/4z\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.216.46","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 sto.lore.kernel.org (sto.lore.kernel.org\n [IPv6:2600:3c09:e001:a7::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 4ftq655x8Fz1xtJ\n\tfor ; Sun, 12 Apr 2026 22:07:09 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sto.lore.kernel.org (Postfix) with ESMTP id 6D600300460E\n\tfor ; Sun, 12 Apr 2026 12:07:01 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id E9432377EB9;\n\tSun, 12 Apr 2026 12:06:59 +0000 (UTC)","from mail-pj1-f46.google.com (mail-pj1-f46.google.com\n [209.85.216.46])\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 A654830276A\n\tfor ; Sun, 12 Apr 2026 12:06:58 +0000 (UTC)","by mail-pj1-f46.google.com with SMTP id\n 98e67ed59e1d1-35f9ab079bdso185301a91.2\n for ;\n Sun, 12 Apr 2026 05:06:58 -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\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\")\nSigned-off-by: Guangshuo Li \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 723a80895cd4..f97567e6ae87 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":[]}