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authorDavide Caratti <dcaratti@redhat.com>2025-03-18 11:21:41 +0100
committerMarc Kleine-Budde <mkl@pengutronix.de>2025-04-15 12:18:07 +0200
commit8b1879491472c145c58c3cbbaf0e05ea93ee5ddf (patch)
treec26a276fbb467f208ef7ab44407569e954e5cd93
parent65d91192aa66f05710cfddf6a14b5a25ee554dba (diff)
can: fix missing decrement of j1939_proto.inuse_idx
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>
-rw-r--r--net/can/j1939/socket.c1
1 files changed, 1 insertions, 0 deletions
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;