compat_mc_setsockopt 43 include/net/compat.h extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, int, compat_mc_setsockopt 936 net/ipv4/ip_sockglue.c return compat_mc_setsockopt(sk, level, optname, optval, optlen, compat_mc_setsockopt 794 net/ipv6/ipv6_sockglue.c return compat_mc_setsockopt(sk, level, optname, optval, optlen,