From: Tom Herbert <therbert@google.com>
Date: Tue, 1 Feb 2011 00:23:42 +0000 (-0800)
Subject: net: Check rps_flow_table when RPS map length is 1
X-Git-Tag: v2.6.38-rc4~15^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8587523640441a9ff2564ebc6efeb39497ad6709;p=pandora-kernel.git

net: Check rps_flow_table when RPS map length is 1

In get_rps_cpu, add check that the rps_flow_table for the device is
NULL when trying to take fast path when RPS map length is one.
Without this, RFS is effectively disabled if map length is one which
is not correct.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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