[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>

3 files changed, 3 insertions, 3 deletions

diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index a076f735a7bc..d287c5755229 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -484,7 +484,7 @@ static unsigned int usbatm_write_cells(struct usbatm_data *instance,
                 ptr[4] = 0xec;
                 ptr += ATM_CELL_HEADER;
 
-                memcpy(ptr, skb->data, data_len);
+                skb_copy_from_linear_data(skb, ptr, data_len);
                 ptr += data_len;
                 __skb_pull(skb, data_len);
 
diff --git a/drivers/usb/net/catc.c b/drivers/usb/net/catc.c
index d82022dd7f2e..ffec2e01b896 100644
--- a/drivers/usb/net/catc.c
+++ b/drivers/usb/net/catc.c
@@ -418,7 +418,7 @@ static int catc_hard_start_xmit(struct sk_buff *skb, struct net_device *netdev)
         catc->tx_ptr = (((catc->tx_ptr - 1) >> 6) + 1) << 6;
         tx_buf = catc->tx_buf[catc->tx_idx] + catc->tx_ptr;
         *((u16*)tx_buf) = (catc->is_f5u011) ? cpu_to_be16((u16)skb->len) : cpu_to_le16((u16)skb->len);
-        memcpy(tx_buf + 2, skb->data, skb->len);
+        skb_copy_from_linear_data(skb, tx_buf + 2, skb->len);
         catc->tx_ptr += skb->len + 2;
 
         if (!test_and_set_bit(TX_RUNNING, &catc->flags))
diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c
index 13f70e09ea40..1ad4ee54b186 100644
--- a/drivers/usb/net/pegasus.c
+++ b/drivers/usb/net/pegasus.c
@@ -889,7 +889,7 @@ static int pegasus_start_xmit(struct sk_buff *skb, struct net_device *net)
         netif_stop_queue(net);
 
         ((__le16 *) pegasus->tx_buff)[0] = cpu_to_le16(l16);
-        memcpy(pegasus->tx_buff + 2, skb->data, skb->len);
+        skb_copy_from_linear_data(skb, pegasus->tx_buff + 2, skb->len);
         usb_fill_bulk_urb(pegasus->tx_urb, pegasus->usb,
                           usb_sndbulkpipe(pegasus->usb, 2),
                           pegasus->tx_buff, count,