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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-20 13:43:21 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-20 13:43:21 -0700 |
commit | 06f4e926d256d902dd9a53dcb400fd74974ce087 (patch) | |
tree | 0b438b67f5f0eff6fd617bc497a9dace6164a488 /net/dccp | |
parent | 8e7bfcbab3825d1b404d615cb1b54f44ff81f981 (diff) | |
parent | d93515611bbc70c2fe4db232e5feb448ed8e4cc9 (diff) | |
download | op-kernel-dev-06f4e926d256d902dd9a53dcb400fd74974ce087.zip op-kernel-dev-06f4e926d256d902dd9a53dcb400fd74974ce087.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits)
macvlan: fix panic if lowerdev in a bond
tg3: Add braces around 5906 workaround.
tg3: Fix NETIF_F_LOOPBACK error
macvlan: remove one synchronize_rcu() call
networking: NET_CLS_ROUTE4 depends on INET
irda: Fix error propagation in ircomm_lmp_connect_response()
irda: Kill set but unused variable 'bytes' in irlan_check_command_param()
irda: Kill set but unused variable 'clen' in ircomm_connect_indication()
rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport()
be2net: Kill set but unused variable 'req' in lancer_fw_download()
irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication()
atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined.
rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().
rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler()
rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection()
rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window()
pkt_sched: Kill set but unused variable 'protocol' in tc_classify()
isdn: capi: Use pr_debug() instead of ifdefs.
tg3: Update version to 3.119
tg3: Apply rx_discards fix to 5719/5720
...
Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c
as per Davem.
Diffstat (limited to 'net/dccp')
-rw-r--r-- | net/dccp/ipv4.c | 53 | ||||
-rw-r--r-- | net/dccp/ipv6.c | 10 | ||||
-rw-r--r-- | net/dccp/output.c | 4 |
3 files changed, 37 insertions, 30 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index ae451c6..8c36adf 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -40,13 +40,15 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) { + const struct sockaddr_in *usin = (struct sockaddr_in *)uaddr; struct inet_sock *inet = inet_sk(sk); struct dccp_sock *dp = dccp_sk(sk); - const struct sockaddr_in *usin = (struct sockaddr_in *)uaddr; __be16 orig_sport, orig_dport; - struct rtable *rt; __be32 daddr, nexthop; + struct flowi4 *fl4; + struct rtable *rt; int err; + struct ip_options_rcu *inet_opt; dp->dccps_role = DCCP_ROLE_CLIENT; @@ -57,15 +59,19 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) return -EAFNOSUPPORT; nexthop = daddr = usin->sin_addr.s_addr; - if (inet->opt != NULL && inet->opt->srr) { + + inet_opt = rcu_dereference_protected(inet->inet_opt, + sock_owned_by_user(sk)); + if (inet_opt != NULL && inet_opt->opt.srr) { if (daddr == 0) return -EINVAL; - nexthop = inet->opt->faddr; + nexthop = inet_opt->opt.faddr; } orig_sport = inet->inet_sport; orig_dport = usin->sin_port; - rt = ip_route_connect(nexthop, inet->inet_saddr, + fl4 = &inet->cork.fl.u.ip4; + rt = ip_route_connect(fl4, nexthop, inet->inet_saddr, RT_CONN_FLAGS(sk), sk->sk_bound_dev_if, IPPROTO_DCCP, orig_sport, orig_dport, sk, true); @@ -77,19 +83,19 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) return -ENETUNREACH; } - if (inet->opt == NULL || !inet->opt->srr) - daddr = rt->rt_dst; + if (inet_opt == NULL || !inet_opt->opt.srr) + daddr = fl4->daddr; if (inet->inet_saddr == 0) - inet->inet_saddr = rt->rt_src; + inet->inet_saddr = fl4->saddr; inet->inet_rcv_saddr = inet->inet_saddr; inet->inet_dport = usin->sin_port; inet->inet_daddr = daddr; inet_csk(sk)->icsk_ext_hdr_len = 0; - if (inet->opt != NULL) - inet_csk(sk)->icsk_ext_hdr_len = inet->opt->optlen; + if (inet_opt) + inet_csk(sk)->icsk_ext_hdr_len = inet_opt->opt.optlen; /* * Socket identity is still unknown (sport may be zero). * However we set state to DCCP_REQUESTING and not releasing socket @@ -101,8 +107,7 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) if (err != 0) goto failure; - rt = ip_route_newports(rt, IPPROTO_DCCP, - orig_sport, orig_dport, + rt = ip_route_newports(fl4, rt, orig_sport, orig_dport, inet->inet_sport, inet->inet_dport, sk); if (IS_ERR(rt)) { rt = NULL; @@ -391,32 +396,30 @@ struct sock *dccp_v4_request_recv_sock(struct sock *sk, struct sk_buff *skb, if (sk_acceptq_is_full(sk)) goto exit_overflow; - if (dst == NULL && (dst = inet_csk_route_req(sk, req)) == NULL) - goto exit; - newsk = dccp_create_openreq_child(sk, req, skb); if (newsk == NULL) goto exit_nonewsk; - sk_setup_caps(newsk, dst); - newinet = inet_sk(newsk); ireq = inet_rsk(req); newinet->inet_daddr = ireq->rmt_addr; newinet->inet_rcv_saddr = ireq->loc_addr; newinet->inet_saddr = ireq->loc_addr; - newinet->opt = ireq->opt; + newinet->inet_opt = ireq->opt; ireq->opt = NULL; newinet->mc_index = inet_iif(skb); newinet->mc_ttl = ip_hdr(skb)->ttl; newinet->inet_id = jiffies; + if (dst == NULL && (dst = inet_csk_route_child_sock(sk, newsk, req)) == NULL) + goto put_and_exit; + + sk_setup_caps(newsk, dst); + dccp_sync_mss(newsk, dst_mtu(dst)); - if (__inet_inherit_port(sk, newsk) < 0) { - sock_put(newsk); - goto exit; - } + if (__inet_inherit_port(sk, newsk) < 0) + goto put_and_exit; __inet_hash_nolisten(newsk, NULL); return newsk; @@ -428,6 +431,9 @@ exit_nonewsk: exit: NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); return NULL; +put_and_exit: + sock_put(newsk); + goto exit; } EXPORT_SYMBOL_GPL(dccp_v4_request_recv_sock); @@ -491,8 +497,9 @@ static int dccp_v4_send_response(struct sock *sk, struct request_sock *req, int err = -1; struct sk_buff *skb; struct dst_entry *dst; + struct flowi4 fl4; - dst = inet_csk_route_req(sk, req); + dst = inet_csk_route_req(sk, &fl4, req); if (dst == NULL) goto out; diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index de1b7e3..8dc4348 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -54,8 +54,8 @@ static void dccp_v6_hash(struct sock *sk) /* add pseudo-header to DCCP checksum stored in skb->csum */ static inline __sum16 dccp_v6_csum_finish(struct sk_buff *skb, - struct in6_addr *saddr, - struct in6_addr *daddr) + const struct in6_addr *saddr, + const struct in6_addr *daddr) { return csum_ipv6_magic(saddr, daddr, skb->len, IPPROTO_DCCP, skb->csum); } @@ -87,7 +87,7 @@ static inline __u32 dccp_v6_init_sequence(struct sk_buff *skb) static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, u8 type, u8 code, int offset, __be32 info) { - struct ipv6hdr *hdr = (struct ipv6hdr *)skb->data; + const struct ipv6hdr *hdr = (const struct ipv6hdr *)skb->data; const struct dccp_hdr *dh = (struct dccp_hdr *)(skb->data + offset); struct dccp_sock *dp; struct ipv6_pinfo *np; @@ -296,7 +296,7 @@ static void dccp_v6_reqsk_destructor(struct request_sock *req) static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb) { - struct ipv6hdr *rxip6h; + const struct ipv6hdr *rxip6h; struct sk_buff *skb; struct flowi6 fl6; struct net *net = dev_net(skb_dst(rxskb)->dev); @@ -573,7 +573,7 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, First: no IPv4 options. */ - newinet->opt = NULL; + newinet->inet_opt = NULL; /* Clone RX bits */ newnp->rxopt.all = np->rxopt.all; diff --git a/net/dccp/output.c b/net/dccp/output.c index 136d41c..fab108e 100644 --- a/net/dccp/output.c +++ b/net/dccp/output.c @@ -43,7 +43,7 @@ static void dccp_skb_entail(struct sock *sk, struct sk_buff *skb) static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb) { if (likely(skb != NULL)) { - const struct inet_sock *inet = inet_sk(sk); + struct inet_sock *inet = inet_sk(sk); const struct inet_connection_sock *icsk = inet_csk(sk); struct dccp_sock *dp = dccp_sk(sk); struct dccp_skb_cb *dcb = DCCP_SKB_CB(skb); @@ -136,7 +136,7 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb) DCCP_INC_STATS(DCCP_MIB_OUTSEGS); - err = icsk->icsk_af_ops->queue_xmit(skb); + err = icsk->icsk_af_ops->queue_xmit(skb, &inet->cork.fl); return net_xmit_eval(err); } return -ENOBUFS; |