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-rw-r--r--net/ipv4/netfilter/Kconfig4
-rw-r--r--net/ipv4/netfilter/ip_conntrack_core.c1
-rw-r--r--net/ipv4/netfilter/ip_conntrack_helper_pptp.c4
-rw-r--r--net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c1
-rw-r--r--net/ipv4/tcp_highspeed.c3
-rw-r--r--net/ipv4/tcp_output.c12
6 files changed, 13 insertions, 12 deletions
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index 3d560dec63ab..d4072533da21 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -170,8 +170,8 @@ config IP_NF_PPTP
Documentation/modules.txt. If unsure, say `N'.
config IP_NF_H323
- tristate 'H.323 protocol support'
- depends on IP_NF_CONNTRACK
+ tristate 'H.323 protocol support (EXPERIMENTAL)'
+ depends on IP_NF_CONNTRACK && EXPERIMENTAL
help
H.323 is a VoIP signalling protocol from ITU-T. As one of the most
important VoIP protocols, it is widely used by voice hardware and
diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c
index 979a2eac6f00..a297da7bbef5 100644
--- a/net/ipv4/netfilter/ip_conntrack_core.c
+++ b/net/ipv4/netfilter/ip_conntrack_core.c
@@ -1318,6 +1318,7 @@ getorigdst(struct sock *sk, int optval, void __user *user, int *len)
.tuple.dst.u.tcp.port;
sin.sin_addr.s_addr = ct->tuplehash[IP_CT_DIR_ORIGINAL]
.tuple.dst.ip;
+ memset(sin.sin_zero, 0, sizeof(sin.sin_zero));
DEBUGP("SO_ORIGINAL_DST: %u.%u.%u.%u %u\n",
NIPQUAD(sin.sin_addr.s_addr), ntohs(sin.sin_port));
diff --git a/net/ipv4/netfilter/ip_conntrack_helper_pptp.c b/net/ipv4/netfilter/ip_conntrack_helper_pptp.c
index 7d3ba4302e9e..8ccfe17bb253 100644
--- a/net/ipv4/netfilter/ip_conntrack_helper_pptp.c
+++ b/net/ipv4/netfilter/ip_conntrack_helper_pptp.c
@@ -469,8 +469,8 @@ pptp_inbound_pkt(struct sk_buff **pskb,
DEBUGP("%s but no session\n", pptp_msg_name[msg]);
break;
}
- if (info->sstate != PPTP_CALL_IN_REP
- && info->sstate != PPTP_CALL_IN_CONF) {
+ if (info->cstate != PPTP_CALL_IN_REP
+ && info->cstate != PPTP_CALL_IN_CONF) {
DEBUGP("%s but never sent IN_CALL_REPLY\n",
pptp_msg_name[msg]);
break;
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 5bc9f64d7b5b..77d974443c7b 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -348,6 +348,7 @@ getorigdst(struct sock *sk, int optval, void __user *user, int *len)
.tuple.dst.u.tcp.port;
sin.sin_addr.s_addr = ct->tuplehash[IP_CT_DIR_ORIGINAL]
.tuple.dst.u3.ip;
+ memset(sin.sin_zero, 0, sizeof(sin.sin_zero));
DEBUGP("SO_ORIGINAL_DST: %u.%u.%u.%u %u\n",
NIPQUAD(sin.sin_addr.s_addr), ntohs(sin.sin_port));
diff --git a/net/ipv4/tcp_highspeed.c b/net/ipv4/tcp_highspeed.c
index b72fa55dfb84..ba7c63ca5bb1 100644
--- a/net/ipv4/tcp_highspeed.c
+++ b/net/ipv4/tcp_highspeed.c
@@ -135,7 +135,8 @@ static void hstcp_cong_avoid(struct sock *sk, u32 adk, u32 rtt,
/* Do additive increase */
if (tp->snd_cwnd < tp->snd_cwnd_clamp) {
- tp->snd_cwnd_cnt += ca->ai;
+ /* cwnd = cwnd + a(w) / cwnd */
+ tp->snd_cwnd_cnt += ca->ai + 1;
if (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
tp->snd_cwnd_cnt -= tp->snd_cwnd;
tp->snd_cwnd++;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 743016baa048..f33c9dddaa12 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -642,7 +642,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
* eventually). The difference is that pulled data not copied, but
* immediately discarded.
*/
-static unsigned char *__pskb_trim_head(struct sk_buff *skb, int len)
+static void __pskb_trim_head(struct sk_buff *skb, int len)
{
int i, k, eat;
@@ -667,7 +667,6 @@ static unsigned char *__pskb_trim_head(struct sk_buff *skb, int len)
skb->tail = skb->data;
skb->data_len -= len;
skb->len = skb->data_len;
- return skb->tail;
}
int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
@@ -676,12 +675,11 @@ int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
return -ENOMEM;
- if (len <= skb_headlen(skb)) {
+ /* If len == headlen, we avoid __skb_pull to preserve alignment. */
+ if (unlikely(len < skb_headlen(skb)))
__skb_pull(skb, len);
- } else {
- if (__pskb_trim_head(skb, len-skb_headlen(skb)) == NULL)
- return -ENOMEM;
- }
+ else
+ __pskb_trim_head(skb, len - skb_headlen(skb));
TCP_SKB_CB(skb)->seq += len;
skb->ip_summed = CHECKSUM_HW;