diff options
| author | Denis V. Lunev <den@openvz.org> | 2008-03-22 23:36:20 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-22 23:36:20 (GMT) |
| commit | 22aba383ce52f8ca8740f9a74dc66b1b68138813 (patch) | |
| tree | c9616eb776a515cac03e20eee11fed1ed84c6999 /net | |
| parent | ef722495c8867aacc1db0675a6737e5cf1e72e07 (diff) | |
| download | linux-22aba383ce52f8ca8740f9a74dc66b1b68138813.tar.xz | |
[IPV4]: Always pass ip_options pointer into ip_options_compile.
This makes code a bit more uniform and straigthforward.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/ip_input.c | 5 | ||||
| -rw-r--r-- | net/ipv4/ip_options.c | 17 |
2 files changed, 10 insertions, 12 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index d36e310..e3a0c78 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -283,13 +283,14 @@ static inline int ip_rcv_options(struct sk_buff *skb) } iph = ip_hdr(skb); + opt = &(IPCB(skb)->opt); + opt->optlen = iph->ihl*4 - sizeof(struct iphdr); - if (ip_options_compile(NULL, skb)) { + if (ip_options_compile(opt, skb)) { IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); goto drop; } - opt = &(IPCB(skb)->opt); if (unlikely(opt->srr)) { struct in_device *in_dev = in_dev_get(dev); if (in_dev) { diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index 2fa4113..aeed4e5 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -255,17 +255,14 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb) unsigned char * optptr; int optlen; unsigned char * pp_ptr = NULL; - struct rtable *rt = skb ? skb->rtable : NULL; - - if (!opt) { - opt = &(IPCB(skb)->opt); - iph = skb_network_header(skb); - opt->optlen = ((struct iphdr *)iph)->ihl*4 - sizeof(struct iphdr); - optptr = iph + sizeof(struct iphdr); - } else { + struct rtable *rt = NULL; + + if (skb != NULL) { + rt = skb->rtable; + optptr = (unsigned char *)&(ip_hdr(skb)[1]); + } else optptr = opt->__data; - iph = optptr - sizeof(struct iphdr); - } + iph = optptr - sizeof(struct iphdr); for (l = opt->optlen; l > 0; ) { switch (*optptr) { |