diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-04-06 18:15:30 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-04-06 18:15:30 -0700 |
commit | bbef618190fb484b28b7d441e6fc5d524027c4fa (patch) | |
tree | bb9dc3902e225621127f02f95251b77b9191e4df /net | |
parent | a21bd69e1509b43823c317c3bf3f7ffa99884356 (diff) | |
parent | b8fa2f3a82069304acac1f9e957d491585f4f49a (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[TG3]: Fix crash during tg3_init_one().
[IPV6]: Revert recent change to rt6_check_dev().
[XFRM]: beet: fix IP option decapsulation
[XFRM]: beet: fix beet mode decapsulation
[XFRM]: beet: use IPOPT_NOP for option padding
[XFRM]: beet: fix IP option encapsulation
Diffstat (limited to 'net')
-rw-r--r-- | net/ipv4/xfrm4_mode_beet.c | 26 | ||||
-rw-r--r-- | net/ipv6/route.c | 19 |
2 files changed, 20 insertions, 25 deletions
diff --git a/net/ipv4/xfrm4_mode_beet.c b/net/ipv4/xfrm4_mode_beet.c index 89cf59ea7bb..f68dfd8a0f5 100644 --- a/net/ipv4/xfrm4_mode_beet.c +++ b/net/ipv4/xfrm4_mode_beet.c @@ -42,10 +42,9 @@ static int xfrm4_beet_output(struct xfrm_state *x, struct sk_buff *skb) skb->nh.raw = skb_push(skb, x->props.header_len + hdrlen); top_iph = skb->nh.iph; - hdrlen = iph->ihl * 4 - optlen; - skb->h.raw += hdrlen; + skb->h.raw += sizeof(*iph) - hdrlen; - memmove(top_iph, iph, hdrlen); + memmove(top_iph, iph, sizeof(*iph)); if (unlikely(optlen)) { struct ip_beet_phdr *ph; @@ -55,6 +54,8 @@ static int xfrm4_beet_output(struct xfrm_state *x, struct sk_buff *skb) ph->padlen = 4 - (optlen & 4); ph->hdrlen = (optlen + ph->padlen + sizeof(*ph)) / 8; ph->nexthdr = top_iph->protocol; + if (ph->padlen) + memset(ph + 1, IPOPT_NOP, ph->padlen); top_iph->protocol = IPPROTO_BEETPH; top_iph->ihl = sizeof(struct iphdr) / 4; @@ -77,29 +78,32 @@ static int xfrm4_beet_input(struct xfrm_state *x, struct sk_buff *skb) protocol = iph->protocol; if (unlikely(iph->protocol == IPPROTO_BEETPH)) { - struct ip_beet_phdr *ph = (struct ip_beet_phdr*)(iph + 1); + struct ip_beet_phdr *ph; if (!pskb_may_pull(skb, sizeof(*ph))) goto out; + ph = (struct ip_beet_phdr *)(skb->h.ipiph + 1); - phlen = ph->hdrlen * 8; - optlen = phlen - ph->padlen - sizeof(*ph); + phlen = sizeof(*ph) + ph->padlen; + optlen = ph->hdrlen * 8 - phlen; if (optlen < 0 || optlen & 3 || optlen > 250) goto out; - if (!pskb_may_pull(skb, phlen)) + if (!pskb_may_pull(skb, phlen + optlen)) goto out; + skb->len -= phlen + optlen; ph_nexthdr = ph->nexthdr; } - skb_push(skb, sizeof(*iph) - phlen + optlen); - memmove(skb->data, skb->nh.raw, sizeof(*iph)); - skb->nh.raw = skb->data; + skb->nh.raw = skb->data + (phlen - sizeof(*iph)); + memmove(skb->nh.raw, iph, sizeof(*iph)); + skb->h.raw = skb->data + (phlen + optlen); + skb->data = skb->h.raw; iph = skb->nh.iph; iph->ihl = (sizeof(*iph) + optlen) / 4; - iph->tot_len = htons(skb->len); + iph->tot_len = htons(skb->len + iph->ihl * 4); iph->daddr = x->sel.daddr.a4; iph->saddr = x->sel.saddr.a4; if (ph_nexthdr) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 3931b33b25e..ad9b285692b 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -311,21 +311,12 @@ static inline void rt6_probe(struct rt6_info *rt) static inline int rt6_check_dev(struct rt6_info *rt, int oif) { struct net_device *dev = rt->rt6i_dev; - int ret = 0; - - if (!oif) - return 2; - if (dev->flags & IFF_LOOPBACK) { - if (!WARN_ON(rt->rt6i_idev == NULL) && - rt->rt6i_idev->dev->ifindex == oif) - ret = 1; - else - return 0; - } - if (dev->ifindex == oif) + if (!oif || dev->ifindex == oif) return 2; - - return ret; + if ((dev->flags & IFF_LOOPBACK) && + rt->rt6i_idev && rt->rt6i_idev->dev->ifindex == oif) + return 1; + return 0; } static inline int rt6_check_neigh(struct rt6_info *rt) |