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@xxxxxxxxxxxx>
Closes: https://lore.kernel.org/linux-can/7e35b13f-bbc4-491e-9081-fb939e1b8df0@xxxxxxxxxxxx/
Signed-off-by: Davide Caratti <dcaratti@xxxxxxxxxx>
---
net/can/j1939/socket.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/can/j1939/socket.c b/net/can/j1939/socket.c
index 17226b2341d0..6fefe7a68761 100644
--- a/net/can/j1939/socket.c
+++ b/net/can/j1939/socket.c
@@ -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;
--
2.47.0
