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Commit 0e6bd4a1 authored by Denis V. Lunev's avatar Denis V. Lunev Committed by David S. Miller
Browse files

[NETNS]: Add namespace parameter to ip_options_compile. 



ip_options_compile uses inet_addr_type which requires a namespace. The
packet argument is optional, so parameter is the only way to obtain
it. Pass the init_net there for now.

Signed-off-by: default avatarDenis V. Lunev <den@openvz.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ffc31d3d

include/net/ip.h

+2 −1
Original line number Diff line number Diff line
@@ -347,7 +347,8 @@ extern int ip_forward(struct sk_buff *skb); 
extern void ip_options_build(struct sk_buff *skb, struct ip_options *opt, __be32 daddr, struct rtable *rt, int is_frag);

extern int ip_options_echo(struct ip_options *dopt, struct sk_buff *skb);

extern void ip_options_fragment(struct sk_buff *skb);

extern int ip_options_compile(struct ip_options *opt, struct sk_buff *skb);

extern int ip_options_compile(struct net *net,

			      struct ip_options *opt, struct sk_buff *skb);

extern int ip_options_get(struct ip_options **optp,

			  unsigned char *data, int optlen);

extern int ip_options_get_from_user(struct ip_options **optp,

net/ipv4/ip_input.c

+1 −1
Original line number Diff line number Diff line
@@ -286,7 +286,7 @@ static inline int ip_rcv_options(struct sk_buff *skb) 
	opt = &(IPCB(skb)->opt);

	opt->optlen = iph->ihl*4 - sizeof(struct iphdr);



	if (ip_options_compile(opt, skb)) {

	if (ip_options_compile(&init_net, opt, skb)) {

		IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);

		goto drop;

	}

net/ipv4/ip_options.c

+4 −3
Original line number Diff line number Diff line
@@ -248,7 +248,8 @@ void ip_options_fragment(struct sk_buff * skb) 
 * If opt == NULL, then skb->data should point to IP header.

 */



int ip_options_compile(struct ip_options * opt, struct sk_buff * skb)

int ip_options_compile(struct net *net,

		       struct ip_options * opt, struct sk_buff * skb)

{

	int l;

	unsigned char * iph;
@@ -389,7 +390,7 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb) 
					{

						__be32 addr;

						memcpy(&addr, &optptr[optptr[2]-1], 4);

						if (inet_addr_type(&init_net, addr) == RTN_UNICAST)

						if (inet_addr_type(net, addr) == RTN_UNICAST)

							break;

						if (skb)

							timeptr = (__be32*)&optptr[optptr[2]+3];
@@ -512,7 +513,7 @@ static int ip_options_get_finish(struct ip_options **optp, 
	while (optlen & 3)

		opt->__data[optlen++] = IPOPT_END;

	opt->optlen = optlen;

	if (optlen && ip_options_compile(opt, NULL)) {

	if (optlen && ip_options_compile(&init_net, opt, NULL)) {

		kfree(opt);

		return -EINVAL;

	}