[IP]: Introduce ip_options_get_from_user

This variant is needed to satisfy sparse __user annotations.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 1 deletions

diff --git a/include/net/ip.h b/include/net/ip.h
index 7623e414a5fb..e4563bbee6ea 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -335,7 +335,10 @@ extern void ip_options_build(struct sk_buff *skb, struct ip_options *opt, u32 da
 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_get(struct ip_options **optp, unsigned char *data, int optlen, int user);
+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,
+                                    unsigned char __user *data, int optlen);
 extern void ip_options_undo(struct ip_options * opt);
 extern void ip_forward_options(struct sk_buff *skb);
 extern int ip_options_rcv_srr(struct sk_buff *skb);