Merge patch series "can: raw: random optimizations"

Ziyang Xuan <william.xuanziyang@huawei.com> says:

Do some small optimizations for can_raw.

Link: https://lore.kernel.org/all/cover.1661584485.git.william.xuanziyang@huawei.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>