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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

Browse source 
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  e100: Use pci_pme_active to clear PME_Status and disable PME#
  e1000: prevent corruption of EEPROM/NVM
  forcedeth: call restore mac addr in nv_shutdown path
  bnx2: Promote vector field in bnx2_irq structure from u16 to unsigned int
  sctp: Fix oops when INIT-ACK indicates that peer doesn't support AUTH
  sctp: do not enable peer features if we can't do them.
  sctp: set the skb->ip_summed correctly when sending over loopback.
  udp: Fix rcv socket locking
This commit is contained in:
Linus Torvalds 2008-09-19 16:01:37 -07:00
commit 764527a1b3
8 changed files with 87 additions and 47 deletions
Download patch file Download diff file Expand all files Collapse all files

62
net/ipv4/udp.c
View file

@ -951,6 +951,27 @@ int udp_disconnect(struct sock *sk, int flags)
return 0;
}
static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
{
int is_udplite = IS_UDPLITE(sk);
int rc;
if ((rc = sock_queue_rcv_skb(sk, skb)) < 0) {
/* Note that an ENOMEM error is charged twice */
if (rc == -ENOMEM)
UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
is_udplite);
goto drop;
}
return 0;
drop:
UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
kfree_skb(skb);
return -1;
}
/* returns:
* -1: error
* 0: success
@ -989,9 +1010,7 @@ int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
up->encap_rcv != NULL) {
int ret;
bh_unlock_sock(sk);
ret = (*up->encap_rcv)(sk, skb);
bh_lock_sock(sk);
if (ret <= 0) {
UDP_INC_STATS_BH(sock_net(sk),
UDP_MIB_INDATAGRAMS,
@ -1044,17 +1063,16 @@ int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
goto drop;
}
if ((rc = sock_queue_rcv_skb(sk,skb)) < 0) {
/* Note that an ENOMEM error is charged twice */
if (rc == -ENOMEM) {
UDP_INC_STATS_BH(sock_net(sk),
UDP_MIB_RCVBUFERRORS, is_udplite);
atomic_inc(&sk->sk_drops);
}
goto drop;
}
rc = 0;
return 0;
bh_lock_sock(sk);
if (!sock_owned_by_user(sk))
rc = __udp_queue_rcv_skb(sk, skb);
else
sk_add_backlog(sk, skb);
bh_unlock_sock(sk);
return rc;
drop:
UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
@ -1092,15 +1110,7 @@ static int __udp4_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
skb1 = skb_clone(skb, GFP_ATOMIC);
if (skb1) {
int ret = 0;
bh_lock_sock(sk);
if (!sock_owned_by_user(sk))
ret = udp_queue_rcv_skb(sk, skb1);
else
sk_add_backlog(sk, skb1);
bh_unlock_sock(sk);
int ret = udp_queue_rcv_skb(sk, skb1);
if (ret > 0)
/* we should probably re-process instead
* of dropping packets here. */
@ -1195,13 +1205,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
uh->dest, inet_iif(skb), udptable);
if (sk != NULL) {
int ret = 0;
bh_lock_sock(sk);
if (!sock_owned_by_user(sk))
ret = udp_queue_rcv_skb(sk, skb);
else
sk_add_backlog(sk, skb);
bh_unlock_sock(sk);
int ret = udp_queue_rcv_skb(sk, skb);
sock_put(sk);
/* a return value > 0 means to resubmit the input, but
@ -1494,7 +1498,7 @@ struct proto udp_prot = {
.sendmsg = udp_sendmsg,
.recvmsg = udp_recvmsg,
.sendpage = udp_sendpage,
.backlog_rcv = udp_queue_rcv_skb,
.backlog_rcv = __udp_queue_rcv_skb,
.hash = udp_lib_hash,
.unhash = udp_lib_unhash,
.get_port = udp_v4_get_port,

9
net/sctp/associola.c
View file

@ -599,11 +599,12 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
/* Check to see if this is a duplicate. */
peer = sctp_assoc_lookup_paddr(asoc, addr);
if (peer) {
/* An UNKNOWN state is only set on transports added by
* user in sctp_connectx() call. Such transports should be
* considered CONFIRMED per RFC 4960, Section 5.4.
*/
if (peer->state == SCTP_UNKNOWN) {
if (peer_state == SCTP_ACTIVE)
peer->state = SCTP_ACTIVE;
if (peer_state == SCTP_UNCONFIRMED)
peer->state = SCTP_UNCONFIRMED;
peer->state = SCTP_ACTIVE;
}
return peer;
}

3
net/sctp/output.c
View file

@ -533,7 +533,8 @@ int sctp_packet_transmit(struct sctp_packet *packet)
if (!(dst->dev->features & NETIF_F_NO_CSUM)) {
crc32 = sctp_start_cksum((__u8 *)sh, cksum_buf_len);
crc32 = sctp_end_cksum(crc32);
}
} else
nskb->ip_summed = CHECKSUM_UNNECESSARY;
/* 3) Put the resultant value into the checksum field in the
* common header, and leave the rest of the bits unchanged.

15
net/sctp/sm_make_chunk.c
View file

@ -1886,11 +1886,13 @@ static void sctp_process_ext_param(struct sctp_association *asoc,
/* if the peer reports AUTH, assume that he
* supports AUTH.
*/
asoc->peer.auth_capable = 1;
if (sctp_auth_enable)
asoc->peer.auth_capable = 1;
break;
case SCTP_CID_ASCONF:
case SCTP_CID_ASCONF_ACK:
asoc->peer.asconf_capable = 1;
if (sctp_addip_enable)
asoc->peer.asconf_capable = 1;
break;
default:
break;
@ -2319,12 +2321,10 @@ clean_up:
/* Release the transport structures. */
list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) {
transport = list_entry(pos, struct sctp_transport, transports);
list_del_init(pos);
sctp_transport_free(transport);
if (transport->state != SCTP_ACTIVE)
sctp_assoc_rm_peer(asoc, transport);
}
asoc->peer.transport_count = 0;
nomem:
return 0;
}
@ -2460,6 +2460,9 @@ do_addr_param:
break;
case SCTP_PARAM_SET_PRIMARY:
if (!sctp_addip_enable)
goto fall_through;
addr_param = param.v + sizeof(sctp_addip_param_t);
af = sctp_get_af_specific(param_type2af(param.p->type));