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| author | Oliver Hartkopp <socketcan@hartkopp.net> | 2026-01-09 17:41:35 +0300 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2026-01-15 11:52:04 +0300 |
| commit | faba5860fcf9a0ae49d2e484397bce44293367ff (patch) | |
| tree | 94d76c6d98fec1cbc4213cd1c341bece70d8b7c3 /include | |
| parent | 166e87329ce6f1eaa3475ba2d14ed30e54727c0d (diff) | |
| download | linux-faba5860fcf9a0ae49d2e484397bce44293367ff.tar.xz | |
can: raw: instantly reject disabled CAN frames
For real CAN interfaces the CAN_CTRLMODE_FD and CAN_CTRLMODE_XL control
modes indicate whether an interface can handle those CAN FD/XL frames.
In the case a CAN XL interface is configured in CANXL-only mode with
disabled error-signalling neither CAN CC nor CAN FD frames can be sent.
The checks are now performed on CAN_RAW sockets to give an instant feedback
to the user when writing unsupported CAN frames to the interface or when
the CAN interface is in read-only mode.
Fixes: 1a620a723853 ("can: raw: instantly reject unsupported CAN frames")
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Vincent Mailhol <mailhol@kernel.org>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://patch.msgid.link/20260109144135.8495-4-socketcan@hartkopp.net
[mkl: fix dev reference leak]
Link: https://lore.kernel.org/all/0636c732-2e71-4633-8005-dfa85e1da445@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions