drivers/net: avoid some skb->ip_summed initializations

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index a812efc3632e..50259dfec583 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -798,7 +798,7 @@ static int sh_eth_rx(struct net_device *ndev)
                         skb->dev = ndev;
                         sh_eth_set_receive_align(skb);
 
-                        skb->ip_summed = CHECKSUM_NONE;
+                        skb_checksum_none_assert(skb);
                         rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4));
                 }
                 if (entry >= RX_RING_SIZE - 1)