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[NETNS]: Add namespace parameter to ip_options_get(...). 

Pass the init_net there for now.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2008-03-24 15:29:55 -07:00 committed by David S. Miller
parent 0e6bd4a1c6
commit f2c4802b3f
3 changed files with 12 additions and 10 deletions
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4
include/net/ip.h
View File

@ -349,9 +349,9 @@ 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 net *net,
struct ip_options *opt, struct sk_buff *skb);
extern int ip_options_get(struct ip_options **optp,
extern int ip_options_get(struct net *net, struct ip_options **optp,
unsigned char *data, int optlen);
extern int ip_options_get_from_user(struct ip_options **optp,
extern int ip_options_get_from_user(struct net *net, struct ip_options **optp,
unsigned char __user *data, int optlen);
extern void ip_options_undo(struct ip_options * opt);
extern void ip_forward_options(struct sk_buff *skb);

14
net/ipv4/ip_options.c
View File

@ -507,13 +507,13 @@ static struct ip_options *ip_options_get_alloc(const int optlen)
GFP_KERNEL);
}
static int ip_options_get_finish(struct ip_options **optp,
static int ip_options_get_finish(struct net *net, struct ip_options **optp,
struct ip_options *opt, int optlen)
{
while (optlen & 3)
opt->__data[optlen++] = IPOPT_END;
opt->optlen = optlen;
if (optlen && ip_options_compile(&init_net, opt, NULL)) {
if (optlen && ip_options_compile(net, opt, NULL)) {
kfree(opt);
return -EINVAL;
}
@ -522,7 +522,8 @@ static int ip_options_get_finish(struct ip_options **optp,
return 0;
}
int ip_options_get_from_user(struct ip_options **optp, unsigned char __user *data, int optlen)
int ip_options_get_from_user(struct net *net, struct ip_options **optp,
unsigned char __user *data, int optlen)
{
struct ip_options *opt = ip_options_get_alloc(optlen);
@ -532,10 +533,11 @@ int ip_options_get_from_user(struct ip_options **optp, unsigned char __user *dat
kfree(opt);
return -EFAULT;
}
return ip_options_get_finish(optp, opt, optlen);
return ip_options_get_finish(net, optp, opt, optlen);
}
int ip_options_get(struct ip_options **optp, unsigned char *data, int optlen)
int ip_options_get(struct net *net, struct ip_options **optp,
unsigned char *data, int optlen)
{
struct ip_options *opt = ip_options_get_alloc(optlen);
@ -543,7 +545,7 @@ int ip_options_get(struct ip_options **optp, unsigned char *data, int optlen)
return -ENOMEM;
if (optlen)
memcpy(opt->__data, data, optlen);
return ip_options_get_finish(optp, opt, optlen);
return ip_options_get_finish(net, optp, opt, optlen);
}
void ip_forward_options(struct sk_buff *skb)

4
net/ipv4/ip_sockglue.c
View File

@ -176,7 +176,7 @@ int ip_cmsg_send(struct msghdr *msg, struct ipcm_cookie *ipc)
switch (cmsg->cmsg_type) {
case IP_RETOPTS:
err = cmsg->cmsg_len - CMSG_ALIGN(sizeof(struct cmsghdr));
err = ip_options_get(&ipc->opt, CMSG_DATA(cmsg), err < 40 ? err : 40);
err = ip_options_get(&init_net, &ipc->opt, CMSG_DATA(cmsg), err < 40 ? err : 40);
if (err)
return err;
break;
@ -449,7 +449,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
struct ip_options * opt = NULL;
if (optlen > 40 || optlen < 0)
goto e_inval;
err = ip_options_get_from_user(&opt, optval, optlen);
err = ip_options_get_from_user(&init_net, &opt, optval, optlen);
if (err)
break;
if (inet->is_icsk) {