Commit d626f62b authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by David S. Miller

[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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 2a123b86
......@@ -566,7 +566,8 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
msg->version = XPNET_VERSION_EMBED;
dev_dbg(xpnet, "calling memcpy(0x%p, 0x%p, 0x%lx)\n",
&msg->data, skb->data, (size_t) embedded_bytes);
memcpy(&msg->data, skb->data, (size_t) embedded_bytes);
skb_copy_from_linear_data(skb, &msg->data,
(size_t)embedded_bytes);
} else {
msg->version = XPNET_VERSION;
}
......
......@@ -221,7 +221,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb)
hdr->vpi = htons(vcc->vpi);
hdr->vci = htons(vcc->vci);
hdr->length = htonl(skb->len);
memcpy(skb_put(new_skb,skb->len),skb->data,skb->len);
skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len);
if (vcc->pop) vcc->pop(vcc,skb);
else dev_kfree_skb(skb);
out_vcc->push(out_vcc,new_skb);
......@@ -310,7 +310,7 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
goto done;
}
__net_timestamp(new_skb);
memcpy(skb_put(new_skb,skb->len),skb->data,skb->len);
skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len);
out_vcc->push(out_vcc,new_skb);
atomic_inc(&vcc->stats->tx);
atomic_inc(&out_vcc->stats->rx);
......
......@@ -2395,7 +2395,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe)
skb->destructor = ns_lb_destructor;
#endif /* NS_USE_DESTRUCTORS */
skb_push(skb, NS_SMBUFSIZE);
memcpy(skb->data, sb->data, NS_SMBUFSIZE);
skb_copy_from_linear_data(sb, skb->data, NS_SMBUFSIZE);
skb_put(skb, len - NS_SMBUFSIZE);
ATM_SKB(skb)->vcc = vcc;
__net_timestamp(skb);
......@@ -2479,7 +2479,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe)
{
/* Copy the small buffer to the huge buffer */
sb = (struct sk_buff *) iov->iov_base;
memcpy(hb->data, sb->data, iov->iov_len);
skb_copy_from_linear_data(sb, hb->data, iov->iov_len);
skb_put(hb, iov->iov_len);
remaining = len - iov->iov_len;
iov++;
......@@ -2491,7 +2491,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe)
{
lb = (struct sk_buff *) iov->iov_base;
tocopy = min_t(int, remaining, iov->iov_len);
memcpy(skb_tail_pointer(hb), lb->data, tocopy);
skb_copy_from_linear_data(lb, skb_tail_pointer(hb), tocopy);
skb_put(hb, tocopy);
iov++;
remaining -= tocopy;
......
......@@ -527,7 +527,7 @@ static int bfusb_send_frame(struct sk_buff *skb)
buf[2] = (size == BFUSB_MAX_BLOCK_SIZE) ? 0 : size;
memcpy(skb_put(nskb, 3), buf, 3);
memcpy(skb_put(nskb, size), skb->data + sent, size);
skb_copy_from_linear_data_offset(skb, sent, skb_put(nskb, size), size);
sent += size;
count -= size;
......
......@@ -231,7 +231,7 @@ static void bpa10x_wakeup(struct bpa10x_data *data)
cr = (struct usb_ctrlrequest *) urb->setup_packet;
cr->wLength = __cpu_to_le16(skb->len);
memcpy(urb->transfer_buffer, skb->data, skb->len);
skb_copy_from_linear_data(skb, urb->transfer_buffer, skb->len);
urb->transfer_buffer_length = skb->len;
err = usb_submit_urb(urb, GFP_ATOMIC);
......@@ -250,7 +250,7 @@ static void bpa10x_wakeup(struct bpa10x_data *data)
skb = skb_dequeue(&data->tx_queue);
if (skb) {
memcpy(urb->transfer_buffer, skb->data, skb->len);
skb_copy_from_linear_data(skb, urb->transfer_buffer, skb->len);
urb->transfer_buffer_length = skb->len;
err = usb_submit_urb(urb, GFP_ATOMIC);
......
......@@ -425,7 +425,7 @@ static int dtl1_hci_send_frame(struct sk_buff *skb)
return -ENOMEM;
skb_reserve(s, NSHL);
memcpy(skb_put(s, skb->len), skb->data, skb->len);
skb_copy_from_linear_data(skb, skb_put(s, skb->len), skb->len);
if (skb->len & 0x0001)
*skb_put(s, 1) = 0; /* PAD */
......
......@@ -4169,7 +4169,7 @@ static int hdlcdev_xmit(struct sk_buff *skb, struct net_device *dev)
netif_stop_queue(dev);
/* copy data to device buffers */
memcpy(info->tx_buf, skb->data, skb->len);
skb_copy_from_linear_data(skb, info->tx_buf, skb->len);
info->tx_get = 0;
info->tx_put = info->tx_count = skb->len;
......
......@@ -821,7 +821,8 @@ static void process_mpa_reply(struct iwch_ep *ep, struct sk_buff *skb)
/*
* copy the new data into our accumulation buffer.
*/
memcpy(&(ep->mpa_pkt[ep->mpa_pkt_len]), skb->data, skb->len);
skb_copy_from_linear_data(skb, &(ep->mpa_pkt[ep->mpa_pkt_len]),
skb->len);
ep->mpa_pkt_len += skb->len;
/*
......@@ -940,7 +941,8 @@ static void process_mpa_request(struct iwch_ep *ep, struct sk_buff *skb)
/*
* Copy the new data into our accumulation buffer.
*/
memcpy(&(ep->mpa_pkt[ep->mpa_pkt_len]), skb->data, skb->len);
skb_copy_from_linear_data(skb, &(ep->mpa_pkt[ep->mpa_pkt_len]),
skb->len);
ep->mpa_pkt_len += skb->len;
/*
......@@ -1619,7 +1621,8 @@ static int terminate(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
PDBG("%s ep %p\n", __FUNCTION__, ep);
skb_pull(skb, sizeof(struct cpl_rdma_terminate));
PDBG("%s saving %d bytes of term msg\n", __FUNCTION__, skb->len);
memcpy(ep->com.qp->attr.terminate_buffer, skb->data, skb->len);
skb_copy_from_linear_data(skb, ep->com.qp->attr.terminate_buffer,
skb->len);
ep->com.qp->attr.terminate_msg_len = skb->len;
ep->com.qp->attr.is_terminate_local = 0;
return CPL_RET_BUF_DONE;
......
......@@ -442,7 +442,7 @@ act2000_sendbuf(act2000_card *card, int channel, int ack, struct sk_buff *skb)
return 0;
}
skb_reserve(xmit_skb, 19);
memcpy(skb_put(xmit_skb, len), skb->data, len);
skb_copy_from_linear_data(skb, skb_put(xmit_skb, len), len);
} else {
xmit_skb = skb_clone(skb, GFP_ATOMIC);
if (!xmit_skb) {
......
......@@ -652,7 +652,7 @@ static int write_modem(struct cardstate *cs)
* transmit data
*/
count = min(bcs->tx_skb->len, (unsigned) ucs->bulk_out_size);
memcpy(ucs->bulk_out_buffer, bcs->tx_skb->data, count);
skb_copy_from_linear_data(bcs->tx_skb, ucs->bulk_out_buffer, count);
skb_pull(bcs->tx_skb, count);
atomic_set(&ucs->busy, 1);
gig_dbg(DEBUG_OUTPUT, "write_modem: send %d bytes", count);
......
......@@ -404,7 +404,8 @@ static void b1dma_dispatch_tx(avmcard *card)
printk(KERN_DEBUG "tx: put 0x%x len=%d\n",
skb->data[2], txlen);
#endif
memcpy(dma->sendbuf.dmabuf, skb->data+2, skb->len-2);
skb_copy_from_linear_data_offset(skb, 2, dma->sendbuf.dmabuf,
skb->len - 2);
}
txlen = (txlen + 3) & ~3;
......
......@@ -457,7 +457,8 @@ static void c4_dispatch_tx(avmcard *card)
printk(KERN_DEBUG "%s: tx put 0x%x len=%d\n",
card->name, skb->data[2], txlen);
#endif
memcpy(dma->sendbuf.dmabuf, skb->data+2, skb->len-2);
skb_copy_from_linear_data_offset(skb, 2, dma->sendbuf.dmabuf,
skb->len - 2);
}
txlen = (txlen + 3) & ~3;
......
......@@ -254,14 +254,16 @@ write_modem(struct BCState *bcs) {
count = len;
if (count > MAX_MODEM_BUF - fp) {
count = MAX_MODEM_BUF - fp;
memcpy(cs->hw.elsa.transbuf + fp, bcs->tx_skb->data, count);
skb_copy_from_linear_data(bcs->tx_skb,
cs->hw.elsa.transbuf + fp, count);
skb_pull(bcs->tx_skb, count);
cs->hw.elsa.transcnt += count;
ret = count;
count = len - count;
fp = 0;
}
memcpy((cs->hw.elsa.transbuf + fp), bcs->tx_skb->data, count);
skb_copy_from_linear_data(bcs->tx_skb,
cs->hw.elsa.transbuf + fp, count);
skb_pull(bcs->tx_skb, count);
cs->hw.elsa.transcnt += count;
ret += count;
......
......@@ -1293,7 +1293,8 @@ l2_pull_iqueue(struct FsmInst *fi, int event, void *arg)
oskb = skb;
skb = alloc_skb(oskb->len + i, GFP_ATOMIC);
memcpy(skb_put(skb, i), header, i);
memcpy(skb_put(skb, oskb->len), oskb->data, oskb->len);
skb_copy_from_linear_data(oskb,
skb_put(skb, oskb->len), oskb->len);
dev_kfree_skb(oskb);
}
st->l2.l2l1(st, PH_PULL | INDICATION, skb);
......
......@@ -398,7 +398,7 @@ static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
_len = CAPIMSG_LEN(skb->data);
if (_len > 22) {
_len2 = _len - 22;
memcpy(msghead, skb->data, 22);
skb_copy_from_linear_data(skb, msghead, 22);
memcpy(skb->data + _len2, msghead, 22);
skb_pull(skb, _len2);
CAPIMSG_SETLEN(skb->data, 22);
......
......@@ -113,7 +113,8 @@ hysdn_sched_tx(hysdn_card *card, unsigned char *buf,
(skb = hysdn_tx_netget(card)) != NULL)
{
if (skb->len <= maxlen) {
memcpy(buf, skb->data, skb->len); /* copy the packet to the buffer */
/* copy the packet to the buffer */
skb_copy_from_linear_data(skb, buf, skb->len);
*len = skb->len;
*chan = CHAN_NDIS_DATA;
card->net_tx_busy = 1; /* we are busy sending network data */
......@@ -126,7 +127,7 @@ hysdn_sched_tx(hysdn_card *card, unsigned char *buf,
((skb = hycapi_tx_capiget(card)) != NULL) )
{
if (skb->len <= maxlen) {
memcpy(buf, skb->data, skb->len);
skb_copy_from_linear_data(skb, buf, skb->len);
*len = skb->len;
*chan = CHAN_CAPI;
hycapi_tx_capiack(card);
......
......@@ -829,7 +829,7 @@ isdn_readbchan(int di, int channel, u_char * buf, u_char * fp, int len, wait_que
dflag = 0;
}
count_put = count_pull;
memcpy(cp, skb->data, count_put);
skb_copy_from_linear_data(skb, cp, count_put);
cp += count_put;
len -= count_put;
#ifdef CONFIG_ISDN_AUDIO
......
......@@ -1100,7 +1100,8 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
goto drop_packet;
}
skb_put(skb, skb_old->len + 128);
memcpy(skb->data, skb_old->data, skb_old->len);
skb_copy_from_linear_data(skb_old, skb->data,
skb_old->len);
if (net_dev->local->ppp_slot < 0) {
printk(KERN_ERR "%s: net_dev->local->ppp_slot(%d) out of range\n",
__FUNCTION__, net_dev->local->ppp_slot);
......@@ -1902,7 +1903,9 @@ void isdn_ppp_mp_reassembly( isdn_net_dev * net_dev, isdn_net_local * lp,
while( from != to ) {
unsigned int len = from->len - MP_HEADER_LEN;
memcpy(skb_put(skb,len), from->data+MP_HEADER_LEN, len);
skb_copy_from_linear_data_offset(from, MP_HEADER_LEN,
skb_put(skb,len),
len);
frag = from->next;
isdn_ppp_mp_free_skb(mp, from);
from = frag;
......
......@@ -415,7 +415,8 @@ isdnloop_sendbuf(int channel, struct sk_buff *skb, isdnloop_card * card)
spin_lock_irqsave(&card->isdnloop_lock, flags);
nskb = dev_alloc_skb(skb->len);
if (nskb) {
memcpy(skb_put(nskb, len), skb->data, len);
skb_copy_from_linear_data(skb,
skb_put(nskb, len), len);
skb_queue_tail(&card->bqueue[channel], nskb);
dev_kfree_skb(skb);
} else
......
......@@ -429,8 +429,9 @@ int capi_decode_conn_ind(struct pcbit_chan * chan,
if (!(info->data.setup.CallingPN = kmalloc(len - count + 1, GFP_ATOMIC)))
return -1;
memcpy(info->data.setup.CallingPN, skb->data + count + 1,
len - count);
skb_copy_from_linear_data_offset(skb, count + 1,
info->data.setup.CallingPN,
len - count);
info->data.setup.CallingPN[len - count] = 0;
}
......@@ -457,8 +458,9 @@ int capi_decode_conn_ind(struct pcbit_chan * chan,
if (!(info->data.setup.CalledPN = kmalloc(len - count + 1, GFP_ATOMIC)))
return -1;
memcpy(info->data.setup.CalledPN, skb->data + count + 1,
len - count);
skb_copy_from_linear_data_offset(skb, count + 1,
info->data.setup.CalledPN,
len - count);
info->data.setup.CalledPN[len - count] = 0;
}
......@@ -539,7 +541,7 @@ int capi_decode_conn_actv_ind(struct pcbit_chan * chan, struct sk_buff *skb)
#ifdef DEBUG
if (len > 1 && len < 31) {
memcpy(str, skb->data + 2, len - 1);
skb_copy_from_linear_data_offset(skb, 2, str, len - 1);
str[len] = 0;
printk(KERN_DEBUG "Connected Party Number: %s\n", str);
}
......
......@@ -697,7 +697,9 @@ static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len )
}
else
{
memcpy(dest_addr, priv->ule_skb->data, ETH_ALEN);
skb_copy_from_linear_data(priv->ule_skb,
dest_addr,
ETH_ALEN);
skb_pull(priv->ule_skb, ETH_ALEN);
}
}
......
......@@ -932,7 +932,7 @@ mpt_lan_receive_post_turbo(struct net_device *dev, u32 tmsg)
pci_dma_sync_single_for_cpu(mpt_dev->pcidev, priv->RcvCtl[ctx].dma,
priv->RcvCtl[ctx].len, PCI_DMA_FROMDEVICE);
memcpy(skb_put(skb, len), old_skb->data, len);
skb_copy_from_linear_data(old_skb, skb_put(skb, len), len);
pci_dma_sync_single_for_device(mpt_dev->pcidev, priv->RcvCtl[ctx].dma,
priv->RcvCtl[ctx].len, PCI_DMA_FROMDEVICE);
......@@ -1093,7 +1093,7 @@ mpt_lan_receive_post_reply(struct net_device *dev,
priv->RcvCtl[ctx].dma,
priv->RcvCtl[ctx].len,
PCI_DMA_FROMDEVICE);
memcpy(skb_put(skb, l), old_skb->data, l);
skb_copy_from_linear_data(old_skb, skb_put(skb, l), l);
pci_dma_sync_single_for_device(mpt_dev->pcidev,
priv->RcvCtl[ctx].dma,
......@@ -1122,7 +1122,7 @@ mpt_lan_receive_post_reply(struct net_device *dev,
priv->RcvCtl[ctx].len,
PCI_DMA_FROMDEVICE);
memcpy(skb_put(skb, len), old_skb->data, len);
skb_copy_from_linear_data(old_skb, skb_put(skb, len), len);
pci_dma_sync_single_for_device(mpt_dev->pcidev,
priv->RcvCtl[ctx].dma,
......
......@@ -1025,7 +1025,7 @@ static int send_packet(struct net_device *dev, struct sk_buff *skb)
adapter->current_dma.start_time = jiffies;
if ((unsigned long)(skb->data + nlen) >= MAX_DMA_ADDRESS || nlen != skb->len) {
memcpy(adapter->dma_buffer, skb->data, nlen);
skb_copy_from_linear_data(skb, adapter->dma_buffer, nlen);
memset(adapter->dma_buffer+skb->len, 0, nlen-skb->len);
target = isa_virt_to_bus(adapter->dma_buffer);
}
......
......@@ -1145,7 +1145,7 @@ static int elmc_send_packet(struct sk_buff *skb, struct net_device *dev)
if (len != skb->len)
memset((char *) p->xmit_cbuffs[p->xmit_count], 0, ETH_ZLEN);
memcpy((char *) p->xmit_cbuffs[p->xmit_count], (char *) (skb->data), skb->len);
skb_copy_from_linear_data(skb, p->xmit_cbuffs[p->xmit_count], skb->len);
#if (NUM_XMIT_BUFFS == 1)
#ifdef NO_NOPCOMMANDS
......
......@@ -567,7 +567,7 @@ int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
if (skb->len < ETH_ZLEN)
memset((char *)&ib->tx_buf[entry][0], 0, ETH_ZLEN);
memcpy ((char *)&ib->tx_buf [entry][0], skb->data, skblen);
skb_copy_from_linear_data(skb, &ib->tx_buf[entry][0], skblen);
/* Now, give the packet to the lance */
ib->btx_ring [entry].tmd1_bits = (LE_T1_POK|LE_T1_OWN);
......
......@@ -598,7 +598,7 @@ static int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
ib->btx_ring [entry].length = (-len) | 0xf000;
ib->btx_ring [entry].misc = 0;
memcpy ((char *)&ib->tx_buf [entry][0], skb->data, skblen);
skb_copy_from_linear_data(skb, &ib->tx_buf [entry][0], skblen);
/* Clear the slack of the packet, do I need this? */
if (len != skblen)
......
......@@ -273,7 +273,8 @@ static int ack_tx(struct net_device *dev, int acked)
/* skb_pull(ackskb, ARC_HDR_SIZE); */
memcpy(ackpkt, lp->outgoing.skb->data, ARC_HDR_SIZE+sizeof(struct arc_cap));
skb_copy_from_linear_data(lp->outgoing.skb, ackpkt,
ARC_HDR_SIZE + sizeof(struct arc_cap));
ackpkt->soft.cap.proto=0; /* using protocol 0 for acknowledge */
ackpkt->soft.cap.mes.ack=acked;
......
......@@ -453,7 +453,8 @@ bionet_send_packet(struct sk_buff *skb, struct net_device *dev) {
stdma_lock(bionet_intr, NULL);
local_irq_restore(flags);
if( !STRAM_ADDR(buf+length-1) ) {
memcpy(nic_packet->buffer, skb->data, length);
skb_copy_from_linear_data(skb, nic_packet->buffer,
length);
buf = (unsigned long)&((struct nic_pkt_s *)phys_nic_packet)->buffer;
}
......
......@@ -717,7 +717,8 @@ pamsnet_send_packet(struct sk_buff *skb, struct net_device *dev) {
local_irq_restore(flags);
if( !STRAM_ADDR(buf+length-1) ) {
memcpy(nic_packet->buffer, skb->data, length);
skb_copy_from_linear_data(skb, nic_packet->buffer,
length);
buf = (unsigned long)phys_nic_packet;
}
......
......@@ -1125,7 +1125,7 @@ static int au1000_tx(struct sk_buff *skb, struct net_device *dev)
}
pDB = aup->tx_db_inuse[aup->tx_head];
memcpy((void *)pDB->vaddr, skb->data, skb->len);
skb_copy_from_linear_data(skb, pDB->vaddr, skb->len);
if (skb->len < ETH_ZLEN) {
for (i=skb->len; i<ETH_ZLEN; i++) {
((char *)pDB->vaddr)[i] = 0;
......
......@@ -828,8 +828,8 @@ static int b44_rx(struct b44 *bp, int budget)
skb_reserve(copy_skb, 2);
skb_put(copy_skb, len);
/* DMA sync done above, copy just the actual packet */
memcpy(copy_skb->data, skb->data+bp->rx_offset, len);
skb_copy_from_linear_data_offset(skb, bp->rx_offset,
copy_skb->data, len);
skb = copy_skb;
}
skb->ip_summed = CHECKSUM_NONE;
......@@ -1006,7 +1006,8 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
goto err_out;
}
memcpy(skb_put(bounce_skb, len), skb->data, skb->len);
skb_copy_from_linear_data(skb, skb_put(bounce_skb, len),
skb->len);
dev_kfree_skb_any(skb);
skb = bounce_skb;
}
......
......@@ -1884,10 +1884,8 @@ bnx2_rx_int(struct bnx2 *bp, int budget)
goto reuse_rx;
/* aligned copy */
memcpy(new_skb->data,
skb->data + bp->rx_offset - 2,
len + 2);
skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
new_skb->data, len + 2);
skb_reserve(new_skb, 2);
skb_put(new_skb, len);
......
......@@ -2846,8 +2846,8 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring,
ctrl | TX_DESC_SOF, 0);
entry = TX_DESC_NEXT(ring, entry);
memcpy(tx_tiny_buf(cp, ring, entry), skb->data +
len - tabort, tabort);
skb_copy_from_linear_data_offset(skb, len - tabort,
tx_tiny_buf(cp, ring, entry), tabort);
mapping = tx_tiny_map(cp, ring, entry, tentry);
cas_write_txd(cp, ring, entry, mapping, tabort, ctrl,
(nr_frags == 0));
......
......@@ -1062,7 +1062,7 @@ static inline struct sk_buff *get_packet(struct pci_dev *pdev,
pci_unmap_addr(ce, dma_addr),
pci_unmap_len(ce, dma_len),
PCI_DMA_FROMDEVICE);
memcpy(skb->data, ce->skb->data, len);
skb_copy_from_linear_data(ce->skb, skb->data, len);
pci_dma_sync_single_for_device(pdev,
pci_unmap_addr(ce, dma_addr),
pci_unmap_len(ce, dma_len),
......
......@@ -913,7 +913,8 @@ static void write_tx_pkt_wr(struct adapter *adap, struct sk_buff *skb,
if (skb->len <= WR_LEN - sizeof(*cpl)) {
q->sdesc[pidx].skb = NULL;
if (!skb->data_len)
memcpy(&d->flit[2], skb->data, skb->len);
skb_copy_from_linear_data(skb, &d->flit[2],
skb->len);
else
skb_copy_bits(skb, 0, &d->flit[2], skb->len);
......@@ -1771,7 +1772,7 @@ static struct sk_buff *get_packet(struct adapter *adap, struct sge_fl *fl,
__skb_put(skb, len);
pci_dma_sync_single_for_cpu(adap->pdev, mapping, len,
PCI_DMA_FROMDEVICE);
memcpy(skb->data, sd->t.skb->data, len);
skb_copy_from_linear_data(sd->t.skb, skb->data, len);
pci_dma_sync_single_for_device(adap->pdev, mapping, len,
PCI_DMA_FROMDEVICE);
} else if (!drop_thres)
......
......@@ -741,7 +741,7 @@ static int dgrs_start_xmit(struct sk_buff *skb, struct net_device *devN)
}
amt = min_t(unsigned int, len, rbdp->size - count);
memcpy( (char *) S2H(rbdp->buf) + count, skb->data + i, amt);
skb_copy_from_linear_data_offset(skb, i, S2H(rbdp->buf) + count, amt);
i += amt;
count += amt;
len -= amt;
......
......@@ -1804,8 +1804,9 @@ speedo_rx(struct net_device *dev)
eth_copy_and_sum(skb, sp->rx_skbuff[entry]->data, pkt_len, 0);
skb_put(skb, pkt_len);
#else
memcpy(skb_put(skb, pkt_len), sp->rx_skbuff[entry]->data,
pkt_len);
skb_copy_from_linear_data(sp->rx_skbuff[entry],
skb_put(skb, pkt_len),
pkt_len);
#endif
pci_dma_sync_single_for_device(sp->pdev, sp->rx_ring_dma[entry],
sizeof(struct RxFD) + pkt_len,
......
......@@ -1306,7 +1306,7 @@ static void write_swqe2_TSO(struct sk_buff *skb,
if (skb_data_size >= headersize) {
/* copy immediate data */
memcpy(imm_data, skb->data, headersize);
skb_copy_from_linear_data(skb, imm_data, headersize);
swqe->immediate_data_length = headersize;
if (skb_data_size > headersize) {
......@@ -1337,7 +1337,7 @@ static void write_swqe2_nonTSO(struct sk_buff *skb,
*/
if (skb_data_size >= SWQE2_MAX_IMM) {
/* copy immediate data */
memcpy(imm_data, skb->data, SWQE2_MAX_IMM);
skb_copy_from_linear_data(skb, imm_data, SWQE2_MAX_IMM);
swqe->immediate_data_length = SWQE2_MAX_IMM;
......@@ -1350,7 +1350,7 @@ static void write_swqe2_nonTSO(struct sk_buff *skb,
swqe->descriptors++;
}
} else {
memcpy(imm_data, skb->data, skb_data_size);
skb_copy_from_linear_data(skb, imm_data, skb_data_size);
swqe->immediate_data_length = skb_data_size;
}
}
......@@ -1772,10 +1772,11 @@ static void ehea_xmit3(struct sk_buff *skb, struct net_device *dev,
/* copy (immediate) data */
if (nfrags == 0) {
/* data is in a single piece */
memcpy(imm_data, skb->data, skb->len);
skb_copy_from_linear_data(skb, imm_data, skb->len);
} else {
/* first copy data from the skb->data buffer ... */
memcpy(imm_data, skb->data, skb->len - skb->data_len);
skb_copy_from_linear_data(skb, imm_data,
skb->len - skb->data_len);
imm_data += skb->len - skb->data_len;
/* ... then copy data from the fragments */
......
......@@ -551,7 +551,9 @@ static int fec_enet_rx_common(struct net_device *dev, int *budget)
skbn = dev_alloc_skb(pkt_len + 2);
if (skbn != NULL) {
skb_reserve(skbn, 2); /* align IP header */
memcpy(skbn->data, skb->data, pkt_len);
skb_copy_from_linear_data(skb
skbn->data,
pkt_len);
/* swap */
skbt = skb;
skb = skbn;
......
......@@ -160,7 +160,8 @@ static int fs_enet_rx_napi(struct net_device *dev, int *budget)
skbn = dev_alloc_skb(pkt_len + 2);
if (skbn != NULL) {
skb_reserve(skbn, 2); /* align IP header */
memcpy(skbn->data, skb->data, pkt_len);
skb_copy_from_linear_data(skb,
skbn->data, pkt_len);
/* swap */
skbt = skb;
skb = skbn;
......@@ -293,7 +294,8 @@ static int fs_enet_rx_non_napi(struct net_device *dev)
skbn = dev_alloc_skb(pkt_len + 2);
if (skbn != NULL) {
skb_reserve(skbn, 2); /* align IP header */
memcpy(skbn->data, skb->data, pkt_len);
skb_copy_from_linear_data(skb,
skbn->data, pkt_len);
/* swap */
skbt = skb;
skb = skbn;
......
......@@ -930,7 +930,7 @@ static int scc_send_packet(struct sk_buff *skb, struct net_device *dev)
/* Transfer data to DMA buffer */
i = priv->tx_head;
memcpy(priv->tx_buf[i], skb->data + 1, skb->len - 1);
skb_copy_from_linear_data_offset(skb, 1, priv->tx_buf[i], skb->len - 1);
priv->tx_len[i] = skb->len - 1;
/* Clear interrupts while we touch our circular buffers */
......
......@@ -317,7 +317,9 @@ void hdlcdrv_transmitter(struct net_device *dev, struct hdlcdrv_state *s)
dev_kfree_skb_irq(skb);
break;
}
memcpy(s->hdlctx.buffer, skb->data+1, pkt_len);
skb_copy_from_linear_data_offset(skb, 1,
s->hdlctx.buffer,
pkt_len);
dev_kfree_skb_irq(skb);
s->hdlctx.bp = s->hdlctx.buffer;
append_crc_ccitt(s->hdlctx.buffer, pkt_len);
......
......@@ -638,7 +638,9 @@ static void yam_tx_byte(struct net_device *dev, struct yam_port *yp)
dev_kfree_skb_any(skb);
break;
}
memcpy(yp->tx_buf, skb->data + 1, yp->tx_len);
skb_copy_from_linear_data_offset(skb->data, 1,
yp->tx_buf,
yp->tx_len);
dev_kfree_skb_any(skb);
yp->tx_count = 0;
yp->tx_crcl = 0x21;
......
......@@ -1443,7 +1443,7 @@ static int ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev)