RSI_HEADROOM_FOR_BT_HAL 66 drivers/bluetooth/btrsi.c if (skb_headroom(skb) < RSI_HEADROOM_FOR_BT_HAL) { RSI_HEADROOM_FOR_BT_HAL 68 drivers/bluetooth/btrsi.c new_skb = skb_realloc_headroom(skb, RSI_HEADROOM_FOR_BT_HAL);