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GET /api/1.0/patches/2198033/?format=api
{ "id": 2198033, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2198033/?format=api", "project": { "id": 13, "url": "http://patchwork.ozlabs.org/api/1.0/projects/13/?format=api", "name": "Linux IDE development", "link_name": "linux-ide", "list_id": "linux-ide.vger.kernel.org", "list_email": "linux-ide@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260219062312.1030867-2-dlemoal@kernel.org>", "date": "2026-02-19T06:23:08", "name": "[1/5] ata: libata-core: improve tag checks in ata_qc_issue()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "95b3a02b50ccbd0fc9d3b9ae18f8a4a28636a9cd", "submitter": { "id": 86188, "url": "http://patchwork.ozlabs.org/api/1.0/people/86188/?format=api", "name": "Damien Le Moal", "email": "dlemoal@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-ide/patch/20260219062312.1030867-2-dlemoal@kernel.org/mbox/", "series": [ { "id": 492640, "url": "http://patchwork.ozlabs.org/api/1.0/series/492640/?format=api", "date": "2026-02-19T06:23:07", "name": "libata cleanups", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492640/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2198033/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-ide+bounces-5016-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-ide@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=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=oAq27e2F;\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; 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Thu, 19 Feb 2026 06:28:27 +0000 (UTC)", "by smtp.kernel.org (Postfix) with ESMTPSA id 50CF9C19421;\n\tThu, 19 Feb 2026 06:28:27 +0000 (UTC)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1771482507; cv=none;\n b=n42oo/tmK5aEIMJ/TphbDu3FsKbMr2DcjW5wI+D3kXpo0sH5XyudqLXKBaJYfpmH/1fhXYSN1BKh7O+MyIRX9uotWOWHbr/Rw2x6GUknIgEla7N0RjWe1qIimXCjhy/x/Z2Jk8wRKdXv9grQzj6RrxZlLBghZHSemYaT/K0vH6w=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1771482507; c=relaxed/simple;\n\tbh=f8wWBUccu3jEQHtV1Ysifyz36R8Ez5+wCy0Z8BRc+xs=;\n\th=From:To:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=qn0SWmD1MS8yuOcwxucbH/5owC2IQObTb+YyiL3FKSHPfgAPIpa6RTchAj5DPEgE91Bpwqhj1o0SxAI+5HWHESGZlT7Ojn/SGQ69msLrFxUUpNhiV7mJFxELyXhVjv29Jy+gVlItZEefDIBW7CpjOQ/fED9iW5z1PIIX3O7GqWE=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=oAq27e2F; arc=none smtp.client-ip=10.30.226.201", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1771482507;\n\tbh=f8wWBUccu3jEQHtV1Ysifyz36R8Ez5+wCy0Z8BRc+xs=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=oAq27e2FG0Mq7a9sa6rLJTBox9Pk1Z17uPJrhgkavsVp4PVTmxcm3vhSaqRtYxcNj\n\t EVmvkAhhy5bERAzWe0RiEBPetcGR9A6oU1+jjDt2B5jPFggFfcae2C1P/v1yEVcV1X\n\t BYjpOFQY2gTXtwGU07wFYxNhW5q+WOcZz9+EK3vQIvj9OAfw7f18Wq+r8Ps5JsMRIH\n\t KbkYtLpziIc2D6X/xLR2+3MyvZJmXX6UVd3P9D1HKYCU41vHXzUGwW/T5cy9QA+ZaD\n\t Z1I73YO2onz5wcFzuoy3rcx5J7v4jubnxx9N3NhM1oxplRXMG/EZfel39hmuovCwA4\n\t /SBE6fNrjQXog==", "From": "Damien Le Moal <dlemoal@kernel.org>", "To": "linux-ide@vger.kernel.org,\n\tNiklas Cassel <cassel@kernel.org>", "Subject": "[PATCH 1/5] ata: libata-core: improve tag checks in ata_qc_issue()", "Date": "Thu, 19 Feb 2026 15:23:08 +0900", "Message-ID": "<20260219062312.1030867-2-dlemoal@kernel.org>", "X-Mailer": "git-send-email 2.53.0", "In-Reply-To": "<20260219062312.1030867-1-dlemoal@kernel.org>", "References": "<20260219062312.1030867-1-dlemoal@kernel.org>", "Precedence": "bulk", "X-Mailing-List": "linux-ide@vger.kernel.org", "List-Id": "<linux-ide.vger.kernel.org>", "List-Subscribe": "<mailto:linux-ide+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-ide+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit" }, "content": "Make sure to check that the tag of a queued command is valid when\nata_qc_issue() is called, and fail the QC if the tag is not valid, or if\nthere is an on-going non-NCQ command already on the link.\n\nSigned-off-by: Damien Le Moal <dlemoal@kernel.org>\n---\n drivers/ata/libata-core.c | 9 +++++++--\n 1 file changed, 7 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c\nindex beb6984b379a..0c42fb74eaf1 100644\n--- a/drivers/ata/libata-core.c\n+++ b/drivers/ata/libata-core.c\n@@ -5146,8 +5146,13 @@ void ata_qc_issue(struct ata_queued_cmd *qc)\n \tstruct ata_link *link = qc->dev->link;\n \tu8 prot = qc->tf.protocol;\n \n-\t/* Make sure only one non-NCQ command is outstanding. */\n-\tWARN_ON_ONCE(ata_tag_valid(link->active_tag));\n+\t/*\n+\t * Make sure we have a valid tag and that only one non-NCQ command is\n+\t * outstanding.\n+\t */\n+\tif (WARN_ON_ONCE(!ata_tag_valid(qc->tag)) ||\n+\t WARN_ON_ONCE(ata_tag_valid(link->active_tag)))\n+\t\tgoto sys_err;\n \n \tif (ata_is_ncq(prot)) {\n \t\tWARN_ON_ONCE(link->sactive & (1 << qc->hw_tag));\n", "prefixes": [ "1/5" ] }