959     int newheadroom= 2, newtailroom= 0;    in TxExpend()  local
962     if (skb_headroom(skb) >= newheadroom) newheadroom= 0; // head no need expend  in TxExpend()
964     if (newheadroom || newtailroom){  in TxExpend()
966 		skb2 = skb_copy_expand(skb, newheadroom, newtailroom, flags);  in TxExpend()
970 …ound].%d expend copy fail, for head, tail= %d, %d\n", priv->flg_txdbg++, newheadroom, newtailroom);  in TxExpend()
973 …xRound].%d expend copy OK, for head, tail= %d, %d\n", priv->flg_txdbg++, newheadroom, newtailroom);  in TxExpend()
981     int newheadroom, newtailroom;    in dm9620_tx_fixup()  local
1018      newheadroom= 2; //2  in dm9620_tx_fixup()
1028 	__skb_push(skb, newheadroom); //2 bytes,for data[0],data[1]  in dm9620_tx_fixup()
1048    newheadroom= 2; //2  in dm9620_tx_fixup()
1049 	__skb_push(skb, newheadroom);  //2 bytes, for data[0],data[1]  in dm9620_tx_fixup()