mac80211_hwsim: use reset to set mac header

Since offset is zero, it's not necessary to use set function. Reset
function is straightforward, and will remove the unnecessary add
operation in set function.

Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index a723a85f5635716aae4afa86cc1d45657f899af0..e85e0737771c87e4b9d445e3fa998d8eb0bbfc28 100644 (file)
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -844,7 +844,7 @@ static void mac80211_hwsim_monitor_rx(struct ieee80211_hw *hw,
        hdr->rt_chbitmask = cpu_to_le16(flags);
 
        skb->dev = hwsim_mon;
-       skb_set_mac_header(skb, 0);
+       skb_reset_mac_header(skb);
        skb->ip_summed = CHECKSUM_UNNECESSARY;
        skb->pkt_type = PACKET_OTHERHOST;
        skb->protocol = htons(ETH_P_802_2);
@@ -887,7 +887,7 @@ static void mac80211_hwsim_monitor_ack(struct ieee80211_channel *chan,
        memcpy(hdr11->addr1, addr, ETH_ALEN);
 
        skb->dev = hwsim_mon;
-       skb_set_mac_header(skb, 0);
+       skb_reset_mac_header(skb);
        skb->ip_summed = CHECKSUM_UNNECESSARY;
        skb->pkt_type = PACKET_OTHERHOST;
        skb->protocol = htons(ETH_P_802_2);