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SubjectRe: Linux 2.6.20.19
diff --git a/Makefile b/Makefile
index 48daec7..6bb9f2e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 20
-EXTRAVERSION = .18
+EXTRAVERSION = .19
NAME = Homicidal Dwarf Hamster

# *DOCUMENTATION*
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index de96e1a..82a3444 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -653,6 +653,14 @@ EXPORT_SYMBOL_GPL(ipv6_invert_rthdr);
Hop-by-hop options.
**********************************/

+/*
+ * Note: we cannot rely on skb->dst before we assign it in ip6_route_input().
+ */
+static inline struct inet6_dev *ipv6_skb_idev(struct sk_buff *skb)
+{
+ return skb->dst ? ip6_dst_idev(skb->dst) : __in6_dev_get(skb->dev);
+}
+
/* Router Alert as of RFC 2711 */

static int ipv6_hop_ra(struct sk_buff **skbp, int optoff)
@@ -679,25 +687,25 @@ static int ipv6_hop_jumbo(struct sk_buff **skbp, int optoff)
if (skb->nh.raw[optoff+1] != 4 || (optoff&3) != 2) {
LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_jumbo: wrong jumbo opt length/alignment %d\n",
skb->nh.raw[optoff+1]);
- IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
+ IP6_INC_STATS_BH(ipv6_skb_idev(skb),
IPSTATS_MIB_INHDRERRORS);
goto drop;
}

pkt_len = ntohl(*(__be32*)(skb->nh.raw+optoff+2));
if (pkt_len <= IPV6_MAXPLEN) {
- IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS);
+ IP6_INC_STATS_BH(ipv6_skb_idev(skb), IPSTATS_MIB_INHDRERRORS);
icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff+2);
return 0;
}
if (skb->nh.ipv6h->payload_len) {
- IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS);
+ IP6_INC_STATS_BH(ipv6_skb_idev(skb), IPSTATS_MIB_INHDRERRORS);
icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff);
return 0;
}

if (pkt_len > skb->len - sizeof(struct ipv6hdr)) {
- IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INTRUNCATEDPKTS);
+ IP6_INC_STATS_BH(ipv6_skb_idev(skb), IPSTATS_MIB_INTRUNCATEDPKTS);
goto drop;
}

-
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