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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-03-28 01:55:52 +0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-26 09:28:23 +0400
commitd626f62b11e00c16e81e4308ab93d3f13551812a (patch)
treefac4af6ced853755e12fc709d55f0c2bec51265d /drivers/net/via-velocity.c
parent2a123b86e2b242a4a6db990d2851d45e192f88e5 (diff)
downloadlinux-d626f62b11e00c16e81e4308ab93d3f13551812a.tar.xz
[SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}
To clearly state the intent of copying from 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@redhat.com>
Diffstat (limited to 'drivers/net/via-velocity.c')
-rw-r--r--drivers/net/via-velocity.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 422eaf8ea12d..25b75b615188 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1339,7 +1339,8 @@ static inline int velocity_rx_copy(struct sk_buff **rx_skb, int pkt_size,
if (vptr->flags & VELOCITY_FLAGS_IP_ALIGN)
skb_reserve(new_skb, 2);
- memcpy(new_skb->data, rx_skb[0]->data, pkt_size);
+ skb_copy_from_linear_data(rx_skb[0], new_skb->data,
+ pkt_size);
*rx_skb = new_skb;
ret = 0;
}
@@ -1927,7 +1928,7 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
if (pktlen < ETH_ZLEN) {
/* Cannot occur until ZC support */
pktlen = ETH_ZLEN;
- memcpy(tdinfo->buf, skb->data, skb->len);
+ skb_copy_from_linear_data(skb, tdinfo->buf, skb->len);
memset(tdinfo->buf + skb->len, 0, ETH_ZLEN - skb->len);
tdinfo->skb = skb;
tdinfo->skb_dma[0] = tdinfo->buf_dma;
@@ -1943,7 +1944,7 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
int nfrags = skb_shinfo(skb)->nr_frags;
tdinfo->skb = skb;
if (nfrags > 6) {
- memcpy(tdinfo->buf, skb->data, skb->len);
+ skb_copy_from_linear_data(skb, tdinfo->buf, skb->len);
tdinfo->skb_dma[0] = tdinfo->buf_dma;
td_ptr->tdesc0.pktsize =
td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]);