mac80211: don't update dev->trans_start

This isn't necessary any more as the stack will automatically
update the TXQ's trans_start after calling ndo_start_xmit().

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index df62942653adc6eeb37e5c2b33aee50c9c774e39..83e3261dbf671389b7dc4adf8d78f149ba8a5055 100644 (file)
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2729,7 +2729,6 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata,
 
        dev->stats.tx_packets++;
        dev->stats.tx_bytes += skb->len + extra_head;
-       dev->trans_start = jiffies;
 
        /* will not be crypto-handled beyond what we do here, so use false
         * as the may-encrypt argument for the resize to not account for
@@ -2912,7 +2911,6 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb,
 
                dev->stats.tx_packets++;
                dev->stats.tx_bytes += skb->len;
-               dev->trans_start = jiffies;
 
                ieee80211_xmit(sdata, sta, skb);
        }