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can: fix missing decrement of j1939_proto.inuse_idx

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Like other protocols on top of AF_CAN family, also j1939_proto.inuse_idx
needs to be decremented on socket dismantle.

Fixes: 6bffe88452db ("can: add protocol counter for AF_CAN sockets")
Reported-by: Oliver Hartkopp <socketcan@hartkopp.net>
Closes: https://lore.kernel.org/linux-can/7e35b13f-bbc4-491e-9081-fb939e1b8df0@hartkopp.net/
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/09ce71f281b9e27d1e3d1104430bf3fceb8c7321.1742292636.git.dcaratti@redhat.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Davide Caratti 2025-03-18 11:21:41 +01:00 committed by Marc Kleine-Budde
parent 65d91192aa
commit 8b18794914
1 changed files with 1 additions and 0 deletions
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1
net/can/j1939/socket.c
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@ -655,6 +655,7 @@ static int j1939_sk_release(struct socket *sock)
sock->sk = NULL;
release_sock(sk);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
sock_put(sk);
return 0;