@@ -731,7 +731,7 @@ struct sctp_transport {
struct rhlist_head node;
/* Reference counting. */
- atomic_t refcnt;
+ refcount_t refcnt;
/* RTO-Pending : A flag used to track if one of the DATA
* chunks sent to this address is currently being
* used to compute a RTT. If this flag is 0,
@@ -99,7 +99,7 @@ static struct sctp_transport *sctp_transport_init(struct net *net,
/* Initialize the 64-bit random nonce sent with heartbeat. */
get_random_bytes(&peer->hb_nonce, sizeof(peer->hb_nonce));
- atomic_set(&peer->refcnt, 1);
+ refcount_set(&peer->refcnt, 1);
return peer;
}
@@ -172,7 +172,7 @@ static void sctp_transport_destroy_rcu(struct rcu_head *head)
*/
static void sctp_transport_destroy(struct sctp_transport *transport)
{
- if (unlikely(atomic_read(&transport->refcnt))) {
+ if (unlikely(refcount_read(&transport->refcnt))) {
WARN(1, "Attempt to destroy undead transport %p!\n", transport);
return;
}
@@ -316,7 +316,7 @@ void sctp_transport_route(struct sctp_transport *transport,
/* Hold a reference to a transport. */
int sctp_transport_hold(struct sctp_transport *transport)
{
- return atomic_add_unless(&transport->refcnt, 1, 0);
+ return refcount_inc_not_zero(&transport->refcnt);
}
/* Release a reference to a transport and clean up
@@ -324,7 +324,7 @@ int sctp_transport_hold(struct sctp_transport *transport)
*/
void sctp_transport_put(struct sctp_transport *transport)
{
- if (atomic_dec_and_test(&transport->refcnt))
+ if (refcount_dec_and_test(&transport->refcnt))
sctp_transport_destroy(transport);
}