diff options
author | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-05-22 23:18:44 -0400 |
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committer | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-05-22 23:18:44 -0400 |
commit | 40eb35bb55b86951ce6a93a6937ceff2e0fc45f9 (patch) | |
tree | 9fb33d39df134e0ad19fd3f658a6cd2492201e9b /net | |
parent | c5aa2077c8bae6dcb5fc185b029fc084ec4a5202 (diff) | |
parent | 1c6dfdb912ee90ce3d20db20fec032e06a4315dd (diff) |
Merge commit 'v2.6.38.7' into linaro-2.6.38
Conflicts:
mm/memory.c
Diffstat (limited to 'net')
-rw-r--r-- | net/core/dev.c | 10 | ||||
-rw-r--r-- | net/dccp/options.c | 2 | ||||
-rw-r--r-- | net/ipv4/ip_fragment.c | 31 |
3 files changed, 23 insertions, 20 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 0da7f14823c..35f1a93031f 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1340,11 +1340,13 @@ int dev_close_many(struct list_head *head) */ int dev_close(struct net_device *dev) { - LIST_HEAD(single); + if (dev->flags & IFF_UP) { + LIST_HEAD(single); - list_add(&dev->unreg_list, &single); - dev_close_many(&single); - list_del(&single); + list_add(&dev->unreg_list, &single); + dev_close_many(&single); + list_del(&single); + } return 0; } EXPORT_SYMBOL(dev_close); diff --git a/net/dccp/options.c b/net/dccp/options.c index f06ffcfc8d7..4b2ab657ac8 100644 --- a/net/dccp/options.c +++ b/net/dccp/options.c @@ -123,6 +123,8 @@ int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq, case DCCPO_CHANGE_L ... DCCPO_CONFIRM_R: if (pkt_type == DCCP_PKT_DATA) /* RFC 4340, 6 */ break; + if (len == 0) + goto out_invalid_option; rc = dccp_feat_parse_options(sk, dreq, mandatory, opt, *value, value + 1, len - 1); if (rc) diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index a1151b8adf3..b1d282f11be 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -223,31 +223,30 @@ static void ip_expire(unsigned long arg) if ((qp->q.last_in & INET_FRAG_FIRST_IN) && qp->q.fragments != NULL) { struct sk_buff *head = qp->q.fragments; + const struct iphdr *iph; + int err; rcu_read_lock(); head->dev = dev_get_by_index_rcu(net, qp->iif); if (!head->dev) goto out_rcu_unlock; + /* skb dst is stale, drop it, and perform route lookup again */ + skb_dst_drop(head); + iph = ip_hdr(head); + err = ip_route_input_noref(head, iph->daddr, iph->saddr, + iph->tos, head->dev); + if (err) + goto out_rcu_unlock; + /* - * Only search router table for the head fragment, - * when defraging timeout at PRE_ROUTING HOOK. + * Only an end host needs to send an ICMP + * "Fragment Reassembly Timeout" message, per RFC792. */ - if (qp->user == IP_DEFRAG_CONNTRACK_IN && !skb_dst(head)) { - const struct iphdr *iph = ip_hdr(head); - int err = ip_route_input(head, iph->daddr, iph->saddr, - iph->tos, head->dev); - if (unlikely(err)) - goto out_rcu_unlock; - - /* - * Only an end host needs to send an ICMP - * "Fragment Reassembly Timeout" message, per RFC792. - */ - if (skb_rtable(head)->rt_type != RTN_LOCAL) - goto out_rcu_unlock; + if (qp->user == IP_DEFRAG_CONNTRACK_IN && + skb_rtable(head)->rt_type != RTN_LOCAL) + goto out_rcu_unlock; - } /* Send an ICMP "Fragment Reassembly Timeout" message. */ icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 0); |