2423 	struct ieee80211_fast_tx build = {}, *fast_tx = NULL, *old;  in ieee80211_check_fast_xmit()  local
2636 	fast_tx = kmemdup(&build, sizeof(build), GFP_ATOMIC);  in ieee80211_check_fast_xmit()
2638 	if (!fast_tx)  in ieee80211_check_fast_xmit()
2643 	old = rcu_dereference_protected(sta->fast_tx,  in ieee80211_check_fast_xmit()
2645 	rcu_assign_pointer(sta->fast_tx, fast_tx);  in ieee80211_check_fast_xmit()
2680 	struct ieee80211_fast_tx *fast_tx;  in ieee80211_clear_fast_xmit()  local
2683 	fast_tx = rcu_dereference_protected(sta->fast_tx,  in ieee80211_clear_fast_xmit()
2685 	RCU_INIT_POINTER(sta->fast_tx, NULL);  in ieee80211_clear_fast_xmit()
2688 	if (fast_tx)  in ieee80211_clear_fast_xmit()
2689 		kfree_rcu(fast_tx, rcu_head);  in ieee80211_clear_fast_xmit()
2694 				struct ieee80211_fast_tx *fast_tx,  in ieee80211_xmit_fast()  argument
2699 	int extra_head = fast_tx->hdr_len - (ETH_HLEN - 2);  in ieee80211_xmit_fast()
2703 	struct ieee80211_hdr *hdr = (void *)fast_tx->hdr;  in ieee80211_xmit_fast()
2760 	memcpy(skb->data, fast_tx->hdr, fast_tx->hdr_len);  in ieee80211_xmit_fast()
2761 	memcpy(skb->data + fast_tx->da_offs, eth.h_dest, ETH_ALEN);  in ieee80211_xmit_fast()
2762 	memcpy(skb->data + fast_tx->sa_offs, eth.h_source, ETH_ALEN);  in ieee80211_xmit_fast()
2765 	info->band = fast_tx->band;  in ieee80211_xmit_fast()
2795 	tx.key = fast_tx->key;  in ieee80211_xmit_fast()
2797 	if (fast_tx->key)  in ieee80211_xmit_fast()
2798 		info->control.hw_key = &fast_tx->key->conf;  in ieee80211_xmit_fast()
2819 	if (fast_tx->pn_offs) {  in ieee80211_xmit_fast()
2821 		u8 *crypto_hdr = skb->data + fast_tx->pn_offs;  in ieee80211_xmit_fast()
2823 		switch (fast_tx->key->conf.cipher) {  in ieee80211_xmit_fast()
2828 			pn = atomic64_inc_return(&fast_tx->key->conf.tx_pn);  in ieee80211_xmit_fast()
2867 		struct ieee80211_fast_tx *fast_tx;  in __ieee80211_subif_start_xmit()  local
2869 		fast_tx = rcu_dereference(sta->fast_tx);  in __ieee80211_subif_start_xmit()
2871 		if (fast_tx &&  in __ieee80211_subif_start_xmit()
2872 		    ieee80211_xmit_fast(sdata, dev, sta, fast_tx, skb))  in __ieee80211_subif_start_xmit()