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serial: core: make serial_base_bus_type const

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Now that the driver core can properly handle constant struct bus_type,
move the serial_base_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-tty-v1-2-86b698c82efe@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ricardo B. Marliere 2024-02-03 16:14:51 -03:00 committed by Greg Kroah-Hartman
parent 88cddfb7bf
commit f60ce0e4bb
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/serial_base_bus.c
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@ -41,7 +41,7 @@ static int serial_base_match(struct device *dev, struct device_driver *drv)
return 0;
}
static struct bus_type serial_base_bus_type = {
static const struct bus_type serial_base_bus_type = {
.name = "serial-base",
.match = serial_base_match,
};