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29efcd2666
LLC receive is broken for SOCK_DGRAM. If an application does recv() on a datagram socket and there is no data present, don't return "not connected". Instead, just do normal datagram semantics. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>