diff options
Diffstat (limited to 'net/sctp/endpointola.c')
| -rw-r--r-- | net/sctp/endpointola.c | 68 |
1 files changed, 31 insertions, 37 deletions
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index 17a001bac2c..9da76ba4d10 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -23,16 +23,12 @@ * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with GNU CC; see the file COPYING. If not, write to - * the Free Software Foundation, 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. + * along with GNU CC; see the file COPYING. If not, see + * <http://www.gnu.org/licenses/>. * * Please send any bug reports or fixes you make to the * email address(es): - * lksctp developers <lksctp-developers@lists.sourceforge.net> - * - * Or submit a bug report through the following website: - * http://www.sf.net/projects/lksctp + * lksctp developers <linux-sctp@vger.kernel.org> * * Written or modified by: * La Monte H.P. Yarroll <piggy@acm.org> @@ -40,9 +36,6 @@ * Jon Grimm <jgrimm@austin.ibm.com> * Daisy Chang <daisyc@us.ibm.com> * Dajiang Zhang <dajiang.zhang@nokia.com> - * - * Any bugs reported given to us we will try to fix... any fixes shared will - * be incorporated into the next SCTP release. */ #include <linux/types.h> @@ -75,7 +68,8 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep, if (!ep->digest) return NULL; - if (net->sctp.auth_enable) { + ep->auth_enable = net->sctp.auth_enable; + if (ep->auth_enable) { /* Allocate space for HMACS and CHUNKS authentication * variables. There are arrays that we encode directly * into parameters to make the rest of the operations easier. @@ -121,8 +115,7 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep, /* Initialize the basic object fields. */ atomic_set(&ep->base.refcnt, 1); - ep->base.dead = 0; - ep->base.malloced = 1; + ep->base.dead = false; /* Create an input queue. */ sctp_inq_init(&ep->base.inqueue); @@ -151,13 +144,11 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep, ep->rcvbuf_policy = net->sctp.rcvbuf_policy; /* Initialize the secret key used with cookie. */ - get_random_bytes(&ep->secret_key[0], SCTP_SECRET_SIZE); - ep->last_key = ep->current_key = 0; - ep->key_changed_at = jiffies; + get_random_bytes(ep->secret_key, sizeof(ep->secret_key)); /* SCTP-AUTH extensions*/ INIT_LIST_HEAD(&ep->endpoint_shared_keys); - null_key = sctp_auth_shkey_create(0, GFP_KERNEL); + null_key = sctp_auth_shkey_create(0, gfp); if (!null_key) goto nomem; @@ -195,12 +186,13 @@ struct sctp_endpoint *sctp_endpoint_new(struct sock *sk, gfp_t gfp) struct sctp_endpoint *ep; /* Build a local endpoint. */ - ep = t_new(struct sctp_endpoint, gfp); + ep = kzalloc(sizeof(*ep), gfp); if (!ep) goto fail; + if (!sctp_endpoint_init(ep, sk, gfp)) goto fail_init; - ep->base.malloced = 1; + SCTP_DBG_OBJCNT_INC(ep); return ep; @@ -236,7 +228,7 @@ void sctp_endpoint_add_asoc(struct sctp_endpoint *ep, */ void sctp_endpoint_free(struct sctp_endpoint *ep) { - ep->base.dead = 1; + ep->base.dead = true; ep->base.sk->sk_state = SCTP_SS_CLOSED; @@ -249,10 +241,12 @@ void sctp_endpoint_free(struct sctp_endpoint *ep) /* Final destructor for endpoint. */ static void sctp_endpoint_destroy(struct sctp_endpoint *ep) { - SCTP_ASSERT(ep->base.dead, "Endpoint is not dead", return); + struct sock *sk; - /* Free up the HMAC transform. */ - crypto_free_hash(sctp_sk(ep->base.sk)->hmac); + if (unlikely(!ep->base.dead)) { + WARN(1, "Attempt to destroy undead endpoint %p!\n", ep); + return; + } /* Free the digest buffer */ kfree(ep->digest); @@ -271,19 +265,20 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep) sctp_inq_free(&ep->base.inqueue); sctp_bind_addr_free(&ep->base.bind_addr); - /* Remove and free the port */ - if (sctp_sk(ep->base.sk)->bind_hash) - sctp_put_port(ep->base.sk); + memset(ep->secret_key, 0, sizeof(ep->secret_key)); /* Give up our hold on the sock. */ - if (ep->base.sk) - sock_put(ep->base.sk); + sk = ep->base.sk; + if (sk != NULL) { + /* Remove and free the port */ + if (sctp_sk(sk)->bind_hash) + sctp_put_port(sk); - /* Finally, free up our memory. */ - if (ep->base.malloced) { - kfree(ep); - SCTP_DBG_OBJCNT_DEC(ep); + sock_put(sk); } + + kfree(ep); + SCTP_DBG_OBJCNT_DEC(ep); } /* Hold a reference to an endpoint. */ @@ -332,7 +327,6 @@ static struct sctp_association *__sctp_endpoint_lookup_assoc( struct sctp_transport *t = NULL; struct sctp_hashbucket *head; struct sctp_ep_common *epb; - struct hlist_node *node; int hash; int rport; @@ -350,7 +344,7 @@ static struct sctp_association *__sctp_endpoint_lookup_assoc( rport); head = &sctp_assoc_hashtable[hash]; read_lock(&head->lock); - sctp_for_each_hentry(epb, node, &head->chain) { + sctp_for_each_hentry(epb, &head->chain) { tmp = sctp_assoc(epb); if (tmp->ep != ep || rport != tmp->peer.port) continue; @@ -375,9 +369,9 @@ struct sctp_association *sctp_endpoint_lookup_assoc( { struct sctp_association *asoc; - sctp_local_bh_disable(); + local_bh_disable(); asoc = __sctp_endpoint_lookup_assoc(ep, paddr, transport); - sctp_local_bh_enable(); + local_bh_enable(); return asoc; } @@ -487,7 +481,7 @@ normal: } if (chunk->transport) - chunk->transport->last_time_heard = jiffies; + chunk->transport->last_time_heard = ktime_get(); error = sctp_do_sm(net, SCTP_EVENT_T_CHUNK, subtype, state, ep, asoc, chunk, GFP_ATOMIC); |