Oliver Hartkopp ae64438be1 can: dev: fix skb drop check ... In commit a6d190f8c7 ("can: skb: drop tx skb if in listen only mode") the priv->ctrlmode element is read even on virtual CAN interfaces that do not create the struct can_priv at startup. This out-of-bounds read may lead to CAN frame drops for virtual CAN interfaces like vcan and vxcan. This patch mainly reverts the original commit and adds a new helper for CAN interface drivers that provide the required information in struct can_priv. Fixes: a6d190f8c7 ("can: skb: drop tx skb if in listen only mode") Reported-by: Dariusz Stojaczyk <Dariusz.Stojaczyk@opensynergy.com> Cc: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Cc: Max Staudt <max@enpas.org> Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Acked-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Link: https://lore.kernel.org/all/20221102095431.36831-1-socketcan@hartkopp.net Cc: stable@vger.kernel.org # 6.0.x [mkl: patch pch_can, too] Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>		2022-11-07 14:00:27 +01:00
..
mcp251xfd	can: dev: fix skb drop check	2022-11-07 14:00:27 +01:00
hi311x.c	can: dev: fix skb drop check	2022-11-07 14:00:27 +01:00
Kconfig	can: mcp251xfd: rename driver files and subdir to mcp251xfd	2020-09-30 21:54:30 +02:00
Makefile	can: mcp251xfd: rename driver files and subdir to mcp251xfd	2020-09-30 21:54:30 +02:00
mcp251x.c	can: dev: fix skb drop check	2022-11-07 14:00:27 +01:00