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/openbmc/linux/drivers/net/
H A Dtun.cdiff 957f094f221f81e457133b1f4c4d95ffa49ff731 Fri Dec 26 01:22:49 CST 2014 Alex Gartrell <agartrell@fb.com> tun: return proper error code from tun_do_read

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>