github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-23 14:42:08 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

PCI: Make pcie_port_bus_type const

Browse Source 
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.

Link: https://lore.kernel.org/r/20240208-bus_cleanup-pci2-v1-1-5e578210b6f2@marliere.net
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Ricardo B. Marliere 2024-02-08 16:41:46 -03:00 committed by Bjorn Helgaas
parent 6613476e22
commit 7adf6ac852
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/pci/pci-driver.c
View File

@ -1714,7 +1714,7 @@ 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,
};

2
drivers/pci/pcie/portdrv.h
View File

@ -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;