From: Ying Xue <ying.xue@windriver.com>
Date: Fri, 18 Oct 2013 05:23:19 +0000 (+0200)
Subject: tipc: correct return value of recv_msg routine
X-Git-Tag: v3.13-rc1~105^2~177^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=679815834857d5305dae108a03addccf16d86868;p=pandora-kernel.git

tipc: correct return value of recv_msg routine

Currently, rcv_msg() always returns zero on a packet delivery upcall
from net_device.

To make its behavior more compliant with the way this API should be
used, we change this to let it return NET_RX_SUCCESS (which is zero
anyway) when it is able to handle the packet, and NET_RX_DROP otherwise.
The latter does not imply any functional change, it only enables the
driver to keep more accurate statistics about the fate of delivered
packets.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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