[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>
diff --git a/drivers/isdn/hardware/avm/c4.c b/drivers/isdn/hardware/avm/c4.c
index 6f5efa8d..d58f927 100644
--- a/drivers/isdn/hardware/avm/c4.c
+++ b/drivers/isdn/hardware/avm/c4.c
@@ -457,7 +457,8 @@
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;