Messages in this thread Patch in this message | | | From | "Ricardo B. Marliere" <> | Date | Thu, 08 Feb 2024 16:41:46 -0300 | Subject | [PATCH] PCI: make pcie_port_bus_type const |
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Now that the driver core can properly handle constant struct bus_type, move the pcie_port_bus_type variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net> --- drivers/pci/pci-driver.c | 2 +- drivers/pci/pcie/portdrv.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index ec838f2e892e..a29098e24683 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -1705,7 +1705,7 @@ static int pcie_port_bus_match(struct device *dev, struct device_driver *drv) return 1; } -struct bus_type pcie_port_bus_type = { +const struct bus_type pcie_port_bus_type = { .name = "pci_express", .match = pcie_port_bus_match, }; diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h index 1f3803bde7ee..12c89ea0313b 100644 --- a/drivers/pci/pcie/portdrv.h +++ b/drivers/pci/pcie/portdrv.h @@ -96,7 +96,7 @@ struct pcie_port_service_driver { int pcie_port_service_register(struct pcie_port_service_driver *new); void pcie_port_service_unregister(struct pcie_port_service_driver *new); -extern struct bus_type pcie_port_bus_type; +extern const struct bus_type pcie_port_bus_type; struct pci_dev; --- base-commit: cc24b2d080dca2ce1c89a8a71c00bdf21155f357 change-id: 20240208-bus_cleanup-pci2-61fe9c495d08 Best regards, -- Ricardo B. Marliere <ricardo@marliere.net>
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