D47857.id.diff
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D47857.id.diff
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	diff --git a/sys/net80211/ieee80211_ht.c b/sys/net80211/ieee80211_ht.c
	--- a/sys/net80211/ieee80211_ht.c
	+++ b/sys/net80211/ieee80211_ht.c
	@@ -2595,11 +2595,15 @@

	static int
	ht_recv_action_ht_txchwidth(struct ieee80211_node *ni,
	- const struct ieee80211_frame *wh,
	- const uint8_t frm, const uint8_t efrm)
	+ const struct ieee80211_frame *wh __unused,
	+ const uint8_t frm, const uint8_t efrm __unused)
	{
	int chw;

	+ /* If 20/40 is not supported the chw cannot change. */
	+ if ((ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40) == 0)
	+ return (0);
	+
	chw = (frm[2] == IEEE80211_A_HT_TXCHWIDTH_2040) ?
	IEEE80211_STA_RX_BW_40 : IEEE80211_STA_RX_BW_20;