ipv6: inet6_sk() should use sk_fullsock()

SYN_RECV & TIMEWAIT sockets are not full blown, they do not have a pinet6
pointer.

[cherry-pick of net-next e7eadb4de9e645e1b34539dc4128240b1e5f71dc]

Change-Id: I221f20d102f2dbae00a8763209607b9ce194ccbf
Fixes: ca6fb0651883 ("tcp: attach SYNACK messages to request sockets instead of listener")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed