ipv4: ipmr: various fixes and cleanups
1) ip_mroute_setsockopt() & ip_mroute_getsockopt() should not access/set raw_sk(sk)->ipmr_table before making sure the socket is a raw socket, and protocol is IGMP 2) MRT_INIT should return -EINVAL if optlen != sizeof(int), not -ENOPROTOOPT 3) MRT_ASSERT & MRT_PIM should validate optlen 4) " (v) ? 1 : 0 " can be written as " !!v " Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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