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-rw-r--r--include/net/compat.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/net/compat.h b/include/net/compat.h
index 482eb820f13..290bab46d45 100644
--- a/include/net/compat.h
+++ b/include/net/compat.h
@@ -33,7 +33,8 @@ extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsi
extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
-extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *,
- int);
+
+struct sock;
+extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
#endif /* NET_COMPAT_H */