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Commit 975987e7 authored by Oleksij Rempel's avatar Oleksij Rempel Committed by Marc Kleine-Budde
Browse files

can: af_can: export can_sock_destruct() 



In j1939 we need our own struct sock::sk_destruct callback. Export the
generic af_can can_sock_destruct() that allows us to chain-call it.

Fixes: 9d71dd0c ("can: add support of SAE J1939 protocol")
Signed-off-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
parent 5aa4277d

include/linux/can/core.h

+1 −0
Original line number Diff line number Diff line
@@ -65,5 +65,6 @@ extern void can_rx_unregister(struct net *net, struct net_device *dev, 
			      void *data);



extern int can_send(struct sk_buff *skb, int loop);

void can_sock_destruct(struct sock *sk);



#endif /* !_CAN_CORE_H */

net/can/af_can.c

+2 −1
Original line number Diff line number Diff line
@@ -86,11 +86,12 @@ static atomic_t skbcounter = ATOMIC_INIT(0); 


/* af_can socket functions */



static void can_sock_destruct(struct sock *sk)

void can_sock_destruct(struct sock *sk)

{

	skb_queue_purge(&sk->sk_receive_queue);

	skb_queue_purge(&sk->sk_error_queue);

}

EXPORT_SYMBOL(can_sock_destruct);



static const struct can_proto *can_get_proto(int protocol)

{