[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>

3 files changed, 12 insertions, 10 deletions

diff --git a/include/net/ip.h b/include/net/ip.h
index bcc3afa3df36..531270dc48a6 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -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);
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index f0949b42e79e..59f7ddfb29bf 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -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)
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index bb3cbe5ec36d..1b86a50269bc 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -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) {