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net: rps: reset network header before calling skb_get_rxhash()

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skb_get_rxhash() assumes the network header pointer of the skb is set
properly after the commit:

commit bfb564e739
Author: Krishna Kumar <krkumar2@in.ibm.com>
Date:   Wed Aug 4 06:15:52 2010 +0000

    core: Factor out flow calculation from get_rps_cpu

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Changli Gao 2010-08-17 19:00:56 +00:00 committed by David S. Miller
parent 91fe8173be
commit 2d47b45951
1 changed files with 1 additions and 0 deletions
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net/core/dev.c
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@ -2372,6 +2372,7 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
if (!rxqueue->rps_map && !rxqueue->rps_flow_table)
goto done;
skb_reset_network_header(skb);
if (!skb_get_rxhash(skb))
goto done;