From d7d0f081c48951018133cac38c8c0796f37db727 Mon Sep 17 00:00:00 2001 From: Jussi Kivilinna Date: Sun, 17 Mar 2013 11:59:18 +0200 Subject: [PATCH] rtlwifi: usb: remove extra skb copy on RX path RX path has extra copying of packets, that can be avoided. Signed-off-by: Jussi Kivilinna Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/usb.c | 17 +++-------------- 1 file changed, 3 insertions(+), 14 deletions(-) diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 22f29d75947e..8df5836cc99c 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -513,22 +513,11 @@ static void _rtl_usb_rx_process_noagg(struct ieee80211_hw *hw, if (unicast) rtlpriv->link_info.num_rx_inperiod++; } - if (likely(rtl_action_proc(hw, skb, false))) { - struct sk_buff *uskb = NULL; - u8 *pdata; - uskb = dev_alloc_skb(skb->len + 128); - if (uskb) { /* drop packet on allocation failure */ - memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, - sizeof(rx_status)); - pdata = (u8 *)skb_put(uskb, skb->len); - memcpy(pdata, skb->data, skb->len); - ieee80211_rx_irqsafe(hw, uskb); - } + if (likely(rtl_action_proc(hw, skb, false))) + ieee80211_rx_irqsafe(hw, skb); + else dev_kfree_skb_any(skb); - } else { - dev_kfree_skb_any(skb); - } } }