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GET /api/1.2/patches/2225515/?format=api
{ "id": 2225515, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2225515/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260421-nova-unload-v2-1-2fe54963af8b@nvidia.com/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/1.2/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260421-nova-unload-v2-1-2fe54963af8b@nvidia.com>", "list_archive_url": null, "date": "2026-04-21T06:16:11", "name": "[v2,1/5] rust: add warn_on_err macro", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "3818c5546f924994337608dae2ac596ca4894ea8", "submitter": { "id": 13521, "url": "http://patchwork.ozlabs.org/api/1.2/people/13521/?format=api", "name": "Alexandre Courbot", "email": "acourbot@nvidia.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260421-nova-unload-v2-1-2fe54963af8b@nvidia.com/mbox/", "series": [ { "id": 500739, "url": "http://patchwork.ozlabs.org/api/1.2/series/500739/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=500739", "date": "2026-04-21T06:16:10", "name": "gpu: nova-core: run unload sequence upon unbinding", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/500739/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2225515/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2225515/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-52812-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ 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header.d=nvidia.com; arc=none" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com;\n s=selector2;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=zgShyfgo098bQ9tJx/o2dExcu4BIrahVGCdHSGqskEw=;\n b=SuSTY2SalNLoelAoKfTtkIAz9KxMQVMeQrAl3LqMJziuqX5J9W2ddOucNM+gKH9THgvK/JbQoBNKzB+KtOb5K2OrbXtvyDITJpFbjeQIZDeac7Orj5CDmDQYAGVWOukFtT5eRr8fHOwPL6/cJ/wKmBl+cy5VCqatXWRQWkrR3WnpVafZXfOaiB1tDdTjmTaBMF32sg7j+8ZebSYJyHEzMYydCvaixZoz9h34qLdw7x1qjQFVNe8PLSRrwDisuyKTo96kgYKpjFbu5ZPzToULCysWLK4L9Lw5d1N3P3kZbQ88Ylfs7GMFZUlpf9hegxDhgF/zLRCNzR9juuwyTX5HNw==", "From": "Alexandre Courbot <acourbot@nvidia.com>", "Date": "Tue, 21 Apr 2026 15:16:11 +0900", "Subject": "[PATCH v2 1/5] rust: add warn_on_err macro", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260421-nova-unload-v2-1-2fe54963af8b@nvidia.com>", "References": "<20260421-nova-unload-v2-0-2fe54963af8b@nvidia.com>", "In-Reply-To": "<20260421-nova-unload-v2-0-2fe54963af8b@nvidia.com>", "To": "Danilo Krummrich <dakr@kernel.org>, Alice Ryhl <aliceryhl@google.com>,\n David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,\n Bjorn Helgaas <bhelgaas@google.com>,\n =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= <kwilczynski@kernel.org>,\n Miguel Ojeda <ojeda@kernel.org>, Gary Guo <gary@garyguo.net>, =?utf-8?q?Bj?=\n\t=?utf-8?q?=C3=B6rn_Roy_Baron?= <bjorn3_gh@protonmail.com>,\n Benno Lossin <lossin@kernel.org>, Andreas Hindborg <a.hindborg@kernel.org>,\n Trevor Gross <tmgross@umich.edu>, Boqun Feng <boqun@kernel.org>", "Cc": "John Hubbard <jhubbard@nvidia.com>,\n Alistair Popple <apopple@nvidia.com>,\n Joel Fernandes <joelagnelf@nvidia.com>, Timur Tabi <ttabi@nvidia.com>,\n Eliot Courtney <ecourtney@nvidia.com>, nouveau@lists.freedesktop.org,\n dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,\n linux-pci@vger.kernel.org, rust-for-linux@vger.kernel.org,\n Alexandre Courbot <acourbot@nvidia.com>", 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"X-MS-Exchange-AntiSpam-MessageData-1": "XLCllXvPLkDfTA==", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 0707a325-d58b-43d6-0828-08de9f6d8154", "X-MS-Exchange-CrossTenant-AuthSource": "CH2PR12MB3990.namprd12.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "21 Apr 2026 06:16:20.5586\n (UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-MailboxType": "HOSTED", "X-MS-Exchange-CrossTenant-UserPrincipalName": "\n V/ovRUOfImGV6EeFB5/eGnwdYvD5ZJJpKnNKUaRvITy13IjK5QZg1uyTUgMobGmmhfITkc4lacbVu5IzZ0u2kg==", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "CYYPR12MB8749" }, "content": "While we already have the `warn_on` macro, a common usage pattern in\nRust is to check whether a `Result` is an error. Add a helper macro that\nallows this.\n\nSigned-off-by: Alexandre Courbot <acourbot@nvidia.com>\n---\n rust/kernel/bug.rs | 10 ++++++++++\n 1 file changed, 10 insertions(+)", "diff": "diff --git a/rust/kernel/bug.rs b/rust/kernel/bug.rs\nindex ed943960f851..2fefc0aeef81 100644\n--- a/rust/kernel/bug.rs\n+++ b/rust/kernel/bug.rs\n@@ -130,3 +130,13 @@ macro_rules! warn_on {\n cond\n }};\n }\n+\n+/// Report a warning if `res` is an error and return it unmodified.\n+#[macro_export]\n+macro_rules! warn_on_err {\n+ ($res:expr) => {{\n+ let res = $res;\n+ let _ = $crate::warn_on!(res.is_err());\n+ res\n+ }};\n+}\n", "prefixes": [ "v2", "1/5" ] }