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| /linux/drivers/net/can/slcan/ |
| H A D | slcan-core.c | diff cfcb4465e9923bb9ac168abcea84e880633f9cef Thu Jul 28 09:02:50 CEST 2022 Dario Binacchi <dario.binacchi@amarulasolutions.com> can: slcan: remove legacy infrastructure
Taking inspiration from the drivers/net/can/can327.c driver and at the
suggestion of its author Max Staudt, I removed legacy stuff like
`SLCAN_MAGIC' and `slcan_devs' resulting in simplification of the code
and its maintainability.
The use of slcan_devs is derived from a very old kernel, since slip.c
is about 30 years old, so today's kernel allows us to remove it.
The .hangup() ldisc function, which only called the ldisc .close(), has
been removed since the ldisc layer calls .close() in a good place
anyway.
The old slcanX name has been dropped in order to use the standard canX
interface naming. The ioctl SIOCGIFNAME can be used to query the name of
the created interface. Furthermore, there are several ways to get stable
interfaces names in user space, e.g. udev or systemd-networkd.
The `maxdev' module parameter has also been removed.
CC: Max Staudt <max@enpas.org>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Max Staudt <max@enpas.org>
Link: https://lore.kernel.org/all/20220728070254.267974-4-dario.binacchi@amarulasolutions.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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