inet_recvmsg, inet_setsockopt, inet_getsockopt and inet_sock_release are
already shared with ipv6 and sctp, will be used as well by the poor cousins,
so reflect this properly renaming them to sock_common_NAME and move them to
net/core/sock.c
Signed-off-by: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Signed-off-by: David S. Miller <davem@redhat.com>