summaryrefslogtreecommitdiffstats
path: root/net
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2009-11-08 23:00:54 -0800
committerDavid S. Miller <davem@davemloft.net>2009-11-08 23:00:54 -0800
commitd0e1e88d6e7dbd8e1661cb6a058ca30f54ee39e4 (patch)
treedaab7cc0db83226672f76d2fc9277e4355f89e6b /net
parent9e0d57fd6dad37d72a3ca6db00ca8c76f2215454 (diff)
parent2606289779cb297320a185db5997729d29b6700b (diff)
downloadlinux-stable-d0e1e88d6e7dbd8e1661cb6a058ca30f54ee39e4.tar.gz
linux-stable-d0e1e88d6e7dbd8e1661cb6a058ca30f54ee39e4.tar.bz2
linux-stable-d0e1e88d6e7dbd8e1661cb6a058ca30f54ee39e4.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/can/usb/ems_usb.c
Diffstat (limited to 'net')
-rw-r--r--net/can/bcm.c19
-rw-r--r--net/ipv4/ipip.c32
-rw-r--r--net/netfilter/xt_connlimit.c10
3 files changed, 33 insertions, 28 deletions
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 67b5433db13b..c302c2ec959c 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -132,23 +132,27 @@ static inline struct bcm_sock *bcm_sk(const struct sock *sk)
/*
* procfs functions
*/
-static char *bcm_proc_getifname(int ifindex)
+static char *bcm_proc_getifname(char *result, int ifindex)
{
struct net_device *dev;
if (!ifindex)
return "any";
- /* no usage counting */
+ read_lock(&dev_base_lock);
dev = __dev_get_by_index(&init_net, ifindex);
if (dev)
- return dev->name;
+ strcpy(result, dev->name);
+ else
+ strcpy(result, "???");
+ read_unlock(&dev_base_lock);
- return "???";
+ return result;
}
static int bcm_proc_show(struct seq_file *m, void *v)
{
+ char ifname[IFNAMSIZ];
struct sock *sk = (struct sock *)m->private;
struct bcm_sock *bo = bcm_sk(sk);
struct bcm_op *op;
@@ -157,7 +161,7 @@ static int bcm_proc_show(struct seq_file *m, void *v)
seq_printf(m, " / sk %p", sk);
seq_printf(m, " / bo %p", bo);
seq_printf(m, " / dropped %lu", bo->dropped_usr_msgs);
- seq_printf(m, " / bound %s", bcm_proc_getifname(bo->ifindex));
+ seq_printf(m, " / bound %s", bcm_proc_getifname(ifname, bo->ifindex));
seq_printf(m, " <<<\n");
list_for_each_entry(op, &bo->rx_ops, list) {
@@ -169,7 +173,7 @@ static int bcm_proc_show(struct seq_file *m, void *v)
continue;
seq_printf(m, "rx_op: %03X %-5s ",
- op->can_id, bcm_proc_getifname(op->ifindex));
+ op->can_id, bcm_proc_getifname(ifname, op->ifindex));
seq_printf(m, "[%d]%c ", op->nframes,
(op->flags & RX_CHECK_DLC)?'d':' ');
if (op->kt_ival1.tv64)
@@ -194,7 +198,8 @@ static int bcm_proc_show(struct seq_file *m, void *v)
list_for_each_entry(op, &bo->tx_ops, list) {
seq_printf(m, "tx_op: %03X %s [%d] ",
- op->can_id, bcm_proc_getifname(op->ifindex),
+ op->can_id,
+ bcm_proc_getifname(ifname, op->ifindex),
op->nframes);
if (op->kt_ival1.tv64)
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index a2ca53da4372..c5b1f71c3cd8 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -446,25 +446,27 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
goto tx_error;
}
- if (tiph->frag_off)
+ df |= old_iph->frag_off & htons(IP_DF);
+
+ if (df) {
mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr);
- else
- mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
- if (mtu < 68) {
- stats->collisions++;
- ip_rt_put(rt);
- goto tx_error;
- }
- if (skb_dst(skb))
- skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
+ if (mtu < 68) {
+ stats->collisions++;
+ ip_rt_put(rt);
+ goto tx_error;
+ }
- df |= (old_iph->frag_off&htons(IP_DF));
+ if (skb_dst(skb))
+ skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
- if ((old_iph->frag_off&htons(IP_DF)) && mtu < ntohs(old_iph->tot_len)) {
- icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
- ip_rt_put(rt);
- goto tx_error;
+ if ((old_iph->frag_off & htons(IP_DF)) &&
+ mtu < ntohs(old_iph->tot_len)) {
+ icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
+ htonl(mtu));
+ ip_rt_put(rt);
+ goto tx_error;
+ }
}
if (tunnel->err_count > 0) {
diff --git a/net/netfilter/xt_connlimit.c b/net/netfilter/xt_connlimit.c
index 680980954395..38f03f75a636 100644
--- a/net/netfilter/xt_connlimit.c
+++ b/net/netfilter/xt_connlimit.c
@@ -103,7 +103,7 @@ static int count_them(struct xt_connlimit_data *data,
const struct nf_conntrack_tuple *tuple,
const union nf_inet_addr *addr,
const union nf_inet_addr *mask,
- const struct xt_match *match)
+ u_int8_t family)
{
const struct nf_conntrack_tuple_hash *found;
struct xt_connlimit_conn *conn;
@@ -113,8 +113,7 @@ static int count_them(struct xt_connlimit_data *data,
bool addit = true;
int matches = 0;
-
- if (match->family == NFPROTO_IPV6)
+ if (family == NFPROTO_IPV6)
hash = &data->iphash[connlimit_iphash6(addr, mask)];
else
hash = &data->iphash[connlimit_iphash(addr->ip & mask->ip)];
@@ -157,8 +156,7 @@ static int count_them(struct xt_connlimit_data *data,
continue;
}
- if (same_source_net(addr, mask, &conn->tuple.src.u3,
- match->family))
+ if (same_source_net(addr, mask, &conn->tuple.src.u3, family))
/* same source network -> be counted! */
++matches;
nf_ct_put(found_ct);
@@ -207,7 +205,7 @@ connlimit_mt(const struct sk_buff *skb, const struct xt_match_param *par)
spin_lock_bh(&info->data->lock);
connections = count_them(info->data, tuple_ptr, &addr,
- &info->mask, par->match);
+ &info->mask, par->family);
spin_unlock_bh(&info->data->lock);
if (connections < 0) {