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Commit 1db080cb authored by Oliver Hartkopp's avatar Oliver Hartkopp Committed by Marc Kleine-Budde
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can: j1939: recvmsg(): allow MSG_CMSG_COMPAT flag

The control message provided by J1939 support MSG_CMSG_COMPAT but
blocked recvmsg() syscalls that have set this flag, i.e. on 32bit user
space on 64 bit kernels.

Link: https://github.com/hartkopp/can-isotp/issues/59


Cc: Oleksij Rempel <o.rempel@pengutronix.de>
Suggested-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: default avatarOliver Hartkopp <socketcan@hartkopp.net>
Tested-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
Acked-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
Fixes: 9d71dd0c ("can: add support of SAE J1939 protocol")
Link: https://lore.kernel.org/20230505110308.81087-3-mkl@pengutronix.de


Cc: stable@vger.kernel.org
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent db2773d6
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