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drivers/net: avoid some skb->ip_summed initializations

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fresh skbs have ip_summed set to CHECKSUM_NONE (0)

We can avoid setting again skb->ip_summed to CHECKSUM_NONE in drivers.

Introduce skb_checksum_none_assert() helper so that we keep this
assertion documented in driver sources.

Change most occurrences of :

skb->ip_summed = CHECKSUM_NONE;

by :

skb_checksum_none_assert(skb);

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-09-02 13:07:41 -07:00
committed by David S. Miller
parent 7162f6691e
commit bc8acf2c8c
56 changed files with 86 additions and 67 deletions
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2
drivers/net/greth.c
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@ -893,7 +893,7 @@ static int greth_rx_gbit(struct net_device *dev, int limit)
if (greth->flags & GRETH_FLAG_RX_CSUM && hw_checksummed(status))
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
skb->ip_summed = CHECKSUM_NONE;
skb_checksum_none_assert(skb);
skb->protocol = eth_type_trans(skb, dev);
dev->stats.rx_packets++;