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GET /api/patches/2223941/?format=api
{ "id": 2223941, "url": "http://patchwork.ozlabs.org/api/patches/2223941/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260416-mipi-v1-1-9c027175abdf@gmail.com/", "project": { "id": 21, "url": "http://patchwork.ozlabs.org/api/projects/21/?format=api", "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": "<20260416-mipi-v1-1-9c027175abdf@gmail.com>", "list_archive_url": null, "date": "2026-04-16T12:09:29", "name": "gpu: host1x: mipi: Fix device_node reference leak in tegra_mipi_request()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "85cdde19fe89d922b13534c27db9e117eb087abb", "submitter": { "id": 92491, "url": "http://patchwork.ozlabs.org/api/people/92491/?format=api", "name": "Felix Gu", "email": "ustc.gu@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260416-mipi-v1-1-9c027175abdf@gmail.com/mbox/", "series": [ { "id": 500145, "url": "http://patchwork.ozlabs.org/api/series/500145/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/list/?series=500145", "date": "2026-04-16T12:09:29", "name": "gpu: host1x: mipi: Fix device_node reference leak in tegra_mipi_request()", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500145/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2223941/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2223941/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-tegra+bounces-13774-incoming=patchwork.ozlabs.org@vger.kernel.org>", "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=cplZMRIY;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c15:e001:75::12fc:5321; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260416-mipi-v1-1-9c027175abdf@gmail.com>", "X-B4-Tracking": "v=1; b=H4sIAHjR4GkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE\n vPSU3UzU4B8JSMDIzMDE0Mz3dzMgkxdi5S0JOPkZDMT81QTJaDSgqLUtMwKsDHRsbW1ALbbWvN\n WAAAA", "X-Change-ID": "20260416-mipi-8dfb3cc647e4", "To": "Thierry Reding <thierry.reding@kernel.org>,\n Mikko Perttunen <mperttunen@nvidia.com>, David Airlie <airlied@gmail.com>,\n Simona Vetter <simona@ffwll.ch>,\n Sowjanya Komatineni <skomatineni@nvidia.com>", "Cc": "Thierry Reding <treding@nvidia.com>, dri-devel@lists.freedesktop.org,\n linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,\n Felix Gu <ustc.gu@gmail.com>", "X-Mailer": "b4 0.14.3", "X-Developer-Signature": "v=1; a=ed25519-sha256; t=1776341371; l=1103;\n i=ustc.gu@gmail.com; h=from:subject:message-id;\n bh=knUH34kPAdl0Glqyp0IYrLw7Xc3rugSSyGH/rGCenqQ=;\n b=ufNI0wiXlc4OTOmmF0jxOLfRsiv8Bi35YYGkHIae5wkX/CW+StNB3w6KThINmGtHYzUbUOplE\n oltVs94d89BCzlnacTuP+TWPLL1gsEx0ZPZM0QE7qiWj8nQ0EB6728V", "X-Developer-Key": "i=ustc.gu@gmail.com; a=ed25519;\n pk=fjUXwmjchVN7Ja6KGP55IXOzFeCl9edaHoQIEUA+/hw=" }, "content": "In tegra_mipi_request(), when provider.np is not equal with args.np, it\nreturns without calling of_node_put(args.np), causing a reference leak.\n\nConvert to use the existing goto out pattern to ensure proper cleanup.\n\nFixes: 767598d447aa (\"gpu: host1x: mipi: Update tegra_mipi_request() to be node based\")\nSigned-off-by: Felix Gu <ustc.gu@gmail.com>\n---\n drivers/gpu/host1x/mipi.c | 6 ++++--\n 1 file changed, 4 insertions(+), 2 deletions(-)\n\n\n---\nbase-commit: 936c21068d7ade00325e40d82bfd2f3f29d9f659\nchange-id: 20260416-mipi-8dfb3cc647e4\n\nBest regards,", "diff": "diff --git a/drivers/gpu/host1x/mipi.c b/drivers/gpu/host1x/mipi.c\nindex 01513b775d89..988681423981 100644\n--- a/drivers/gpu/host1x/mipi.c\n+++ b/drivers/gpu/host1x/mipi.c\n@@ -114,8 +114,10 @@ struct tegra_mipi_device *tegra_mipi_request(struct device *device,\n \tif (err < 0)\n \t\treturn ERR_PTR(err);\n \n-\tif (provider.np != args.np)\n-\t\treturn ERR_PTR(-ENODEV);\n+\tif (provider.np != args.np) {\n+\t\terr = -ENODEV;\n+\t\tgoto out;\n+\t}\n \n \tmipidev = kzalloc_obj(*mipidev);\n \tif (!mipidev) {\n", "prefixes": [] }