struct ip_mreq_source *mreqs, int ifindex);
extern int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf,int ifindex);
extern int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
- struct ip_msfilter *optval, int *optlen);
+ struct ip_msfilter __user *optval, int __user *optlen);
extern int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
- struct group_filter *optval, int *optlen);
+ struct group_filter __user *optval, int __user *optlen);
extern int ip_mc_sf_allow(struct sock *sk, u32 local, u32 rmt, int dif);
extern void ip_mr_init(void);
extern void ip_mc_init_dev(struct in_device *);