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Alex Gartrell authored
Instead of -1 with EAGAIN, read on a O_NONBLOCK tun fd will return 0. This fixes this by properly returning the error code from __skb_recv_datagram. Signed-off-by:
Alex Gartrell <agartrell@fb.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
957f094f