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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-13 19:29:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-23 13:22:00 +0100 |
| commit | 9d11b13402d1b80f7f3ca5061d75f15cf8002555 (patch) | |
| tree | a03887881199fc63e4847f6c2f5ec5c43963455a /drivers/usb/core | |
| parent | d492cc2573a08352c48a66d3e3f312a15fb3f363 (diff) | |
| download | linux-stable-9d11b13402d1b80f7f3ca5061d75f15cf8002555.tar.gz linux-stable-9d11b13402d1b80f7f3ca5061d75f15cf8002555.tar.bz2 linux-stable-9d11b13402d1b80f7f3ca5061d75f15cf8002555.zip | |
USB: mark all struct bus_type as const
Now that the driver core can properly handle constant struct bus_type,
move all of the USB subsystem struct bus_type structures as const,
placing them into read-only memory which can not be modified at runtime.
Cc: Johan Hovold <johan@kernel.org>
Cc: Evan Green <evgreen@chromium.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: linux-usb@vger.kernel.org
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20230313182918.1312597-36-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/driver.c | 2 | ||||
| -rw-r--r-- | drivers/usb/core/usb.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index a0e076c6f3a4..f58a0299fb3b 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -2025,7 +2025,7 @@ int usb_disable_usb2_hardware_lpm(struct usb_device *udev) #endif /* CONFIG_PM */ -struct bus_type usb_bus_type = { +const struct bus_type usb_bus_type = { .name = "usb", .match = usb_device_match, .uevent = usb_uevent, diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 0eac7d4285d1..cd434af259c3 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -140,7 +140,7 @@ static inline int usb_disable_usb2_hardware_lpm(struct usb_device *udev) #endif -extern struct bus_type usb_bus_type; +extern const struct bus_type usb_bus_type; extern struct mutex usb_port_peer_mutex; extern struct device_type usb_device_type; extern struct device_type usb_if_device_type; |