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GET /api/1.2/patches/2222511/?format=api
{ "id": 2222511, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2222511/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260412133356.2536585-1-lgs201920130244@gmail.com/", "project": { "id": 42, "url": "http://patchwork.ozlabs.org/api/1.2/projects/42/?format=api", "name": "Linux GPIO development", "link_name": "linux-gpio", "list_id": "linux-gpio.vger.kernel.org", "list_email": "linux-gpio@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260412133356.2536585-1-lgs201920130244@gmail.com>", "list_archive_url": null, "date": "2026-04-12T13:33:55", "name": "misc: microchip: pci1xxxx: fix IRQ vector leak in gp_aux_bus_probe()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "9bcc86331554838db780d2ba82328ab9bd59c265", "submitter": { "id": 91722, "url": "http://patchwork.ozlabs.org/api/1.2/people/91722/?format=api", "name": "Guangshuo Li", "email": "lgs201920130244@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260412133356.2536585-1-lgs201920130244@gmail.com/mbox/", "series": [ { "id": 499607, "url": "http://patchwork.ozlabs.org/api/1.2/series/499607/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/list/?series=499607", "date": "2026-04-12T13:33:55", "name": "misc: microchip: pci1xxxx: fix IRQ vector leak in gp_aux_bus_probe()", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499607/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2222511/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2222511/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-gpio+bounces-35063-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-gpio@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=lF/2lcur;\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; helo=sin.lore.kernel.org;\n envelope-from=linux-gpio+bounces-35063-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=\"lF/2lcur\"", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.214.171", "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 sin.lore.kernel.org (sin.lore.kernel.org\n [IPv6:2600:3c15:e001:75::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 4fts2g6mMmz1y2d\n\tfor <incoming@patchwork.ozlabs.org>; Sun, 12 Apr 2026 23:34:19 +1000 (AEST)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sin.lore.kernel.org (Postfix) with ESMTP id 9C23A3002921\n\tfor <incoming@patchwork.ozlabs.org>; Sun, 12 Apr 2026 13:34:11 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id BABF737C927;\n\tSun, 12 Apr 2026 13:34:09 +0000 (UTC)", "from mail-pl1-f171.google.com (mail-pl1-f171.google.com\n [209.85.214.171])\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 5FE1F37C90E\n\tfor <linux-gpio@vger.kernel.org>; Sun, 12 Apr 2026 13:34:08 +0000 (UTC)", "by mail-pl1-f171.google.com with SMTP id\n d9443c01a7336-2ad21f437eeso19996635ad.0\n for <linux-gpio@vger.kernel.org>;\n Sun, 12 Apr 2026 06:34:08 -0700 (PDT)", "from lgs.. 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<lgs201920130244@gmail.com>,\n\tstable@vger.kernel.org", "Subject": "[PATCH] misc: microchip: pci1xxxx: fix IRQ vector leak in\n gp_aux_bus_probe()", "Date": "Sun, 12 Apr 2026 21:33:55 +0800", "Message-ID": "<20260412133356.2536585-1-lgs201920130244@gmail.com>", "X-Mailer": "git-send-email 2.43.0", "Precedence": "bulk", "X-Mailing-List": "linux-gpio@vger.kernel.org", "List-Id": "<linux-gpio.vger.kernel.org>", "List-Subscribe": "<mailto:linux-gpio+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-gpio+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit" }, "content": "gp_aux_bus_probe() allocates IRQ vectors with pci_alloc_irq_vectors()\nbefore initializing and adding the second auxiliary device.\n\nWhen pci_irq_vector(), auxiliary_device_init() or auxiliary_device_add()\nfor the second auxiliary device fails, the function unwinds the auxiliary\ndevices and ida allocations, but leaves the allocated IRQ vectors behind.\n\nAdd a dedicated error path to call pci_free_irq_vectors() after IRQ\nvectors have been allocated successfully.\n\nFixes: 393fc2f5948f (\"misc: microchip: pci1xxxx: load auxiliary bus driver for the PIO function in the multi-function endpoint of pci1xxxx device.\")\nCc: stable@vger.kernel.org\nSigned-off-by: Guangshuo Li <lgs201920130244@gmail.com>\n---\n drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c | 7 +++++--\n 1 file changed, 5 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c\nindex 34c9be437432..5e1f99a35100 100644\n--- a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c\n+++ b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c\n@@ -93,14 +93,14 @@ static int gp_aux_bus_probe(struct pci_dev *pdev, const struct pci_device_id *id\n \n \tretval = pci_irq_vector(pdev, 0);\n \tif (retval < 0)\n-\t\tgoto err_aux_dev_init_1;\n+\t\tgoto err_irq_vectors;\n \n \tpdev->irq = retval;\n \taux_bus->aux_device_wrapper[1]->gp_aux_data.irq_num = pdev->irq;\n \n \tretval = auxiliary_device_init(&aux_bus->aux_device_wrapper[1]->aux_dev);\n \tif (retval < 0)\n-\t\tgoto err_aux_dev_init_1;\n+\t\tgoto err_irq_vectors;\n \n \tretval = auxiliary_device_add(&aux_bus->aux_device_wrapper[1]->aux_dev);\n \tif (retval)\n@@ -113,6 +113,9 @@ static int gp_aux_bus_probe(struct pci_dev *pdev, const struct pci_device_id *id\n \n err_aux_dev_add_1:\n \tauxiliary_device_uninit(&aux_bus->aux_device_wrapper[1]->aux_dev);\n+\n+err_irq_vectors:\n+\tpci_free_irq_vectors(pdev);\n \tgoto err_aux_dev_add_0;\n \n err_aux_dev_init_1:\n", "prefixes": [] }