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| author | Arnaldo Carvalho de Melo <acme@ghostprotocols.net> | 2007-03-31 11:55:19 -0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:28:29 -0700 |
| commit | 27d7ff46a3498d3debc6ba68fb8014c702b81170 (patch) | |
| tree | b5a0c617cf8339524d3b1f1633e08eae7b94cf86 /drivers/s390 | |
| parent | 3dbad80ac7632f243b824d469301abb97ec634a1 (diff) | |
| download | linux-27d7ff46a3498d3debc6ba68fb8014c702b81170.tar.gz linux-27d7ff46a3498d3debc6ba68fb8014c702b81170.tar.bz2 linux-27d7ff46a3498d3debc6ba68fb8014c702b81170.zip | |
[SK_BUFF]: Introduce skb_copy_to_linear_data{_offset}
To clearly state the intent of copying to linear sk_buffs, _offset being a
overly long variant but interesting for the sake of saving some bytes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/net/qeth_main.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index df7f279ec408..ad7792dc1a04 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -2501,7 +2501,8 @@ qeth_process_inbound_buffer(struct qeth_card *card, vlan_tag = qeth_rebuild_skb(card, skb, hdr); else { /*in case of OSN*/ skb_push(skb, sizeof(struct qeth_hdr)); - memcpy(skb->data, hdr, sizeof(struct qeth_hdr)); + skb_copy_to_linear_data(skb, hdr, + sizeof(struct qeth_hdr)); } /* is device UP ? */ if (!(card->dev->flags & IFF_UP)){ @@ -3870,9 +3871,9 @@ __qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv) * memcpys instead of one memmove to save cycles. */ skb_push(skb, VLAN_HLEN); - memcpy(skb->data, skb->data + 4, 4); - memcpy(skb->data + 4, skb->data + 8, 4); - memcpy(skb->data + 8, skb->data + 12, 4); + skb_copy_to_linear_data(skb, skb->data + 4, 4); + skb_copy_to_linear_data_offset(skb, 4, skb->data + 8, 4); + skb_copy_to_linear_data_offset(skb, 8, skb->data + 12, 4); tag = (u16 *)(skb->data + 12); /* * first two bytes = ETH_P_8021Q (0x8100) |