From: Tom Herbert <therbert@google.com>
Date: Mon, 16 Dec 2013 06:12:18 +0000 (-0800)
Subject: net: Add utility functions to clear rxhash
X-Git-Tag: v3.14-rc1~94^2~474^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7539fadcb8146a5f0db51e80d99c9e724efec7b0;p=pandora-kernel.git

net: Add utility functions to clear rxhash

In several places 'skb->rxhash = 0' is being done to clear the
rxhash value in an skb.  This does not clear l4_rxhash which could
still be set so that the rxhash wouldn't be recalculated on subsequent
call to skb_get_rxhash.  This patch adds an explict function to clear
all the rxhash related information in the skb properly.

skb_clear_hash_if_not_l4 clears the rxhash only if it is not marked as
l4_rxhash.

Fixed up places where 'skb->rxhash = 0' was being called.

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