can: j1939: j1939_tp_cmd_recv(): ignore abort message in the BAM transport
authorZhang Changzhong <zhangchangzhong@huawei.com>
Thu, 28 Oct 2021 14:38:25 +0000 (22:38 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 18 Nov 2021 18:16:03 +0000 (19:16 +0100)
commitd1be2ab083540b57083139fe358f1efbcfb5d9a8
treebd91433958810a7f56325ee66bb6cb337f9050db
parent0c10d5d395632c314c6356812728a73f88f0f5e8
can: j1939: j1939_tp_cmd_recv(): ignore abort message in the BAM transport

commit c0f49d98006f2db3333b917caac65bce2af9865c upstream.

This patch prevents BAM transport from being closed by receiving abort
message, as specified in SAE-J1939-82 2015 (A.3.3 Row 4).

Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Link: https://lore.kernel.org/all/1635431907-15617-2-git-send-email-zhangchangzhong@huawei.com
Cc: stable@vger.kernel.org
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/can/j1939/transport.c