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-rw-r--r--net/ipv4/af_inet.c1
-rw-r--r--net/ipv4/arp.c1
-rw-r--r--net/ipv4/devinet.c1
-rw-r--r--net/ipv4/fib_frontend.c1
-rw-r--r--net/ipv4/fib_semantics.c1
-rw-r--r--net/ipv4/fib_trie.c1
-rw-r--r--net/ipv4/icmp.c1
-rw-r--r--net/ipv4/igmp.c1
-rw-r--r--net/ipv4/ip_input.c1
-rw-r--r--net/ipv4/ip_output.c1
-rw-r--r--net/ipv4/ipmr.c1
-rw-r--r--net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c12
-rw-r--r--net/ipv4/ping.c1
-rw-r--r--net/ipv4/route.c3
-rw-r--r--net/ipv4/tcp.c17
-rw-r--r--net/ipv4/tcp_input.c9
-rw-r--r--net/ipv4/tcp_ipv4.c2
-rw-r--r--net/ipv4/tcp_output.c2
-rw-r--r--net/ipv4/udp.c1
19 files changed, 27 insertions, 31 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index fdf49fd44bb4..10e3751466b5 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -91,7 +91,6 @@
#include <linux/slab.h>
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <linux/inet.h>
#include <linux/igmp.h>
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 73f46d691abc..18d9b81ecb1a 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -113,7 +113,6 @@
#include <net/ax25.h>
#include <net/netrom.h>
-#include <asm/system.h>
#include <linux/uaccess.h>
#include <linux/netfilter_arp.h>
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index d4fad5c77447..6e447ff94dfa 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -27,7 +27,6 @@
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <linux/bitops.h>
#include <linux/capability.h>
#include <linux/module.h>
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 76e72bacc217..cbe3a68507cf 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -15,7 +15,6 @@
#include <linux/module.h>
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <linux/bitops.h>
#include <linux/capability.h>
#include <linux/types.h>
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index a8c5c1d6715b..5063fa38ac7b 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -14,7 +14,6 @@
*/
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <linux/bitops.h>
#include <linux/types.h>
#include <linux/kernel.h>
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index da9b9cb2282d..bce36f1a37b4 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -51,7 +51,6 @@
#define VERSION "0.409"
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <linux/bitops.h>
#include <linux/types.h>
#include <linux/kernel.h>
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 9664d353ccd8..2cb2bf845641 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -91,7 +91,6 @@
#include <linux/errno.h>
#include <linux/timer.h>
#include <linux/init.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <net/checksum.h>
#include <net/xfrm.h>
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 450e5d21ed2a..5dfecfd7d5e9 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -73,7 +73,6 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/jiffies.h>
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index f3f1108940f5..26eccc5bab1c 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -115,7 +115,6 @@
#define pr_fmt(fmt) "IPv4: " fmt
-#include <asm/system.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index ff302bde8890..4910176d24ed 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -43,7 +43,6 @@
*/
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 0518a4fb177b..960fbfc3e976 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -26,7 +26,6 @@
*
*/
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <linux/types.h>
#include <linux/capability.h>
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index de9da21113a1..cf73cc70ed2d 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -74,16 +74,24 @@ static int ipv4_get_l4proto(const struct sk_buff *skb, unsigned int nhoff,
iph = skb_header_pointer(skb, nhoff, sizeof(_iph), &_iph);
if (iph == NULL)
- return -NF_DROP;
+ return -NF_ACCEPT;
/* Conntrack defragments packets, we might still see fragments
* inside ICMP packets though. */
if (iph->frag_off & htons(IP_OFFSET))
- return -NF_DROP;
+ return -NF_ACCEPT;
*dataoff = nhoff + (iph->ihl << 2);
*protonum = iph->protocol;
+ /* Check bogus IP headers */
+ if (*dataoff > skb->len) {
+ pr_debug("nf_conntrack_ipv4: bogus IPv4 packet: "
+ "nhoff %u, ihl %u, skblen %u\n",
+ nhoff, iph->ihl << 2, skb->len);
+ return -NF_ACCEPT;
+ }
+
return NF_ACCEPT;
}
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index ab6b36e6da15..50009c787bcd 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -20,7 +20,6 @@
*
*/
-#include <asm/system.h>
#include <linux/uaccess.h>
#include <linux/types.h>
#include <linux/fcntl.h>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 12ccf880eb88..167ea10b521a 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -66,7 +66,6 @@
#include <linux/module.h>
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <linux/bitops.h>
#include <linux/types.h>
#include <linux/kernel.h>
@@ -2042,7 +2041,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
if (err < 0)
goto e_err;
}
- rth = rt_dst_alloc(init_net.loopback_dev,
+ rth = rt_dst_alloc(dev_net(dev)->loopback_dev,
IN_DEV_CONF_GET(in_dev, NOPOLICY), false);
if (!rth)
goto e_nobufs;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index cfd7edda0a8e..8bb6adeb62c0 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -701,11 +701,12 @@ struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp)
skb = alloc_skb_fclone(size + sk->sk_prot->max_header, gfp);
if (skb) {
if (sk_wmem_schedule(sk, skb->truesize)) {
+ skb_reserve(skb, sk->sk_prot->max_header);
/*
* Make sure that we have exactly size bytes
* available to the caller, no more, no less.
*/
- skb_reserve(skb, skb_tailroom(skb) - size);
+ skb->avail_size = size;
return skb;
}
__kfree_skb(skb);
@@ -860,7 +861,7 @@ wait_for_memory:
}
out:
- if (copied)
+ if (copied && !(flags & MSG_SENDPAGE_NOTLAST))
tcp_push(sk, flags, mss_now, tp->nonagle);
return copied;
@@ -995,10 +996,9 @@ new_segment:
copy = seglen;
/* Where to copy to? */
- if (skb_tailroom(skb) > 0) {
+ if (skb_availroom(skb) > 0) {
/* We have some space in skb head. Superb! */
- if (copy > skb_tailroom(skb))
- copy = skb_tailroom(skb);
+ copy = min_t(int, copy, skb_availroom(skb));
err = skb_add_data_nocache(sk, skb, from, copy);
if (err)
goto do_fault;
@@ -1452,7 +1452,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
if ((available < target) &&
(len > sysctl_tcp_dma_copybreak) && !(flags & MSG_PEEK) &&
!sysctl_tcp_low_latency &&
- dma_find_channel(DMA_MEMCPY)) {
+ net_dma_find_channel()) {
preempt_enable_no_resched();
tp->ucopy.pinned_list =
dma_pin_iovec_pages(msg->msg_iov, len);
@@ -1667,7 +1667,7 @@ do_prequeue:
if (!(flags & MSG_TRUNC)) {
#ifdef CONFIG_NET_DMA
if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list)
- tp->ucopy.dma_chan = dma_find_channel(DMA_MEMCPY);
+ tp->ucopy.dma_chan = net_dma_find_channel();
if (tp->ucopy.dma_chan) {
tp->ucopy.dma_cookie = dma_skb_copy_datagram_iovec(
@@ -3302,8 +3302,7 @@ void __init tcp_init(void)
tcp_init_mem(&init_net);
/* Set per-socket limits to no more than 1/128 the pressure threshold */
- limit = nr_free_buffer_pages() << (PAGE_SHIFT - 10);
- limit = max(limit, 128UL);
+ limit = nr_free_buffer_pages() << (PAGE_SHIFT - 7);
max_share = min(4UL*1024*1024, limit);
sysctl_tcp_wmem[0] = SK_MEM_QUANTUM;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index e886e2f7fa8d..9944c1d9a218 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -474,8 +474,11 @@ static void tcp_rcv_rtt_update(struct tcp_sock *tp, u32 sample, int win_dep)
if (!win_dep) {
m -= (new_sample >> 3);
new_sample += m;
- } else if (m < new_sample)
- new_sample = m << 3;
+ } else {
+ m <<= 3;
+ if (m < new_sample)
+ new_sample = m;
+ }
} else {
/* No previous measure. */
new_sample = m << 3;
@@ -5225,7 +5228,7 @@ static int tcp_dma_try_early_copy(struct sock *sk, struct sk_buff *skb,
return 0;
if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list)
- tp->ucopy.dma_chan = dma_find_channel(DMA_MEMCPY);
+ tp->ucopy.dma_chan = net_dma_find_channel();
if (tp->ucopy.dma_chan && skb_csum_unnecessary(skb)) {
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 3a25cf743f8b..0cb86ceb652f 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1730,7 +1730,7 @@ process:
#ifdef CONFIG_NET_DMA
struct tcp_sock *tp = tcp_sk(sk);
if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list)
- tp->ucopy.dma_chan = dma_find_channel(DMA_MEMCPY);
+ tp->ucopy.dma_chan = net_dma_find_channel();
if (tp->ucopy.dma_chan)
ret = tcp_v4_do_rcv(sk, skb);
else
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 364784a91939..376b2cfbb685 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2060,7 +2060,7 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *to,
/* Punt if not enough space exists in the first SKB for
* the data in the second
*/
- if (skb->len > skb_tailroom(to))
+ if (skb->len > skb_availroom(to))
break;
if (after(TCP_SKB_CB(skb)->end_seq, tcp_wnd_end(tp)))
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index d6f5feeb3eaf..fe141052a1be 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -79,7 +79,6 @@
#define pr_fmt(fmt) "UDP: " fmt
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/ioctls.h>
#include <linux/bootmem.h>