forked from mirrors/linux
ee59be35d7
In __pci_register_driver(), the pci core overwrites the dev_groups field of the embedded struct device_driver with the dev_groups from the outer struct pci_driver unconditionally. Set dev_groups in the pci_driver to make sure it is used. This was broken since the introduction of pvpanic-pci. Fixes:db3a4f0abe("misc/pvpanic: add PCI driver") Cc: stable@vger.kernel.org Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Fixes:ded13b9cfd("PCI: Add support for dev_groups to struct pci_driver") Link: https://lore.kernel.org/r/20240411-pvpanic-pci-dev-groups-v1-1-db8cb69f1b09@weissschuh.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Pvpanic PCI Device Support
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*
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* Copyright (C) 2021 Oracle.
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*/
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#include <linux/errno.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/types.h>
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#include "pvpanic.h"
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#define PCI_DEVICE_ID_REDHAT_PVPANIC 0x0011
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MODULE_AUTHOR("Mihai Carabas <mihai.carabas@oracle.com>");
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MODULE_DESCRIPTION("pvpanic device driver");
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MODULE_LICENSE("GPL");
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static int pvpanic_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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{
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void __iomem *base;
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int ret;
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ret = pcim_enable_device(pdev);
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if (ret < 0)
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return ret;
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base = pcim_iomap(pdev, 0, 0);
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if (!base)
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return -ENOMEM;
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return devm_pvpanic_probe(&pdev->dev, base);
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}
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static const struct pci_device_id pvpanic_pci_id_tbl[] = {
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{ PCI_DEVICE(PCI_VENDOR_ID_REDHAT, PCI_DEVICE_ID_REDHAT_PVPANIC)},
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{}
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};
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MODULE_DEVICE_TABLE(pci, pvpanic_pci_id_tbl);
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static struct pci_driver pvpanic_pci_driver = {
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.name = "pvpanic-pci",
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.id_table = pvpanic_pci_id_tbl,
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.probe = pvpanic_pci_probe,
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.dev_groups = pvpanic_dev_groups,
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};
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module_pci_driver(pvpanic_pci_driver);
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