1 files changed, 1 insertions, 14 deletions

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 17b10be..e3e3aa1 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1036,14 +1036,11 @@ static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
 	struct ieee80211_radiotap_iterator iterator;
 	struct ieee80211_radiotap_header *rthdr =
 		(struct ieee80211_radiotap_header *) skb->data;
-	struct ieee80211_supported_band *sband;
 	bool hw_frag;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len,
 						   NULL);
 
-	sband = tx->local->hw.wiphy->bands[tx->channel->band];
-
 	info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
 	tx->flags &= ~IEEE80211_TX_FRAGMENTED;
 
@@ -1442,11 +1439,8 @@ static bool ieee80211_tx(struct ieee80211_sub_if_data *sdata,
 	struct ieee80211_tx_data tx;
 	ieee80211_tx_result res_prepare;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-	u16 queue;
 	bool result = true;
 
-	queue = skb_get_queue_mapping(skb);
-
 	if (unlikely(skb->len < 10)) {
 		dev_kfree_skb(skb);
 		return true;
@@ -1482,12 +1476,7 @@ static int ieee80211_skb_resize(struct ieee80211_local *local,
 {
 	int tail_need = 0;
 
-	/*
-	 * This could be optimised, devices that do full hardware
-	 * crypto (including TKIP MMIC) need no tailroom... But we
-	 * have no drivers for such devices currently.
-	 */
-	if (may_encrypt) {
+	if (may_encrypt && local->crypto_tx_tailroom_needed_cnt) {
 		tail_need = IEEE80211_ENCRYPT_TAILROOM;
 		tail_need -= skb_tailroom(skb);
 		tail_need = max_t(int, tail_need, 0);
@@ -2485,7 +2474,6 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
 {
 	struct ieee80211_local *local = hw_to_local(hw);
 	struct sk_buff *skb = NULL;
-	struct sta_info *sta;
 	struct ieee80211_tx_data tx;
 	struct ieee80211_sub_if_data *sdata;
 	struct ieee80211_if_ap *bss = NULL;
@@ -2527,7 +2515,6 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
 
 	info = IEEE80211_SKB_CB(skb);
 
-	sta = tx.sta;
 	tx.flags |= IEEE80211_TX_PS_BUFFERED;
 	tx.channel = local->hw.conf.channel;
 	info->band = tx.channel->band;