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>

diff --git a/jme.c b/jme.c
index 1fb72775c0f672688ccd3407d74d7c7614df7076..e8afe85cf9a3a0a19640bad2d9ae0d7d003580a2 100644 (file)
--- a/jme.c
+++ b/jme.c
@@ -963,7 +963,11 @@ jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx)
                if (jme_rxsum_ok(jme, le16_to_cpu(rxdesc->descwb.flags)))
                        skb->ip_summed = CHECKSUM_UNNECESSARY;
                else
                if (jme_rxsum_ok(jme, le16_to_cpu(rxdesc->descwb.flags)))
                        skb->ip_summed = CHECKSUM_UNNECESSARY;
                else

+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,35)

                        skb->ip_summed = CHECKSUM_NONE;
                        skb->ip_summed = CHECKSUM_NONE;

+#else
+                       skb_checksum_none_assert(skb);
+#endif

 
                if (rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_TAGON)) {
                        if (jme->vlgrp) {
 
                if (rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_TAGON)) {
                        if (jme->vlgrp) {