diff --git a/autobuild_mac80211_release/package/kernel/mt76/patches/0003-mt76-mt7915-drop-undefined-action-frame.patch b/autobuild_mac80211_release/package/kernel/mt76/patches/0003-mt76-mt7915-drop-undefined-action-frame.patch
new file mode 100644
index 0000000..c48bc4c
--- /dev/null
+++ b/autobuild_mac80211_release/package/kernel/mt76/patches/0003-mt76-mt7915-drop-undefined-action-frame.patch
@@ -0,0 +1,36 @@
+From 71dc778b26769005bb0396d0a167ad18a7599ad9 Mon Sep 17 00:00:00 2001
+From: Peter Chiu <chui-hao.chiu@mediatek.com>
+Date: Thu, 14 Apr 2022 15:18:02 +0800
+Subject: [PATCH 3/3] mt76: mt7915: drop undefined action frame
+
+---
+ mt7915/mac.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/mt7915/mac.c b/mt7915/mac.c
+index a76c82b..8ef5ddc 100644
+--- a/mt7915/mac.c
++++ b/mt7915/mac.c
+@@ -684,6 +684,8 @@ int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+ 			  struct mt76_tx_info *tx_info)
+ {
+ 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx_info->skb->data;
++	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)tx_info->skb->data;
++	__le16 fc = hdr->frame_control;
+ 	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+ 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
+ 	struct ieee80211_key_conf *key = info->control.hw_key;
+@@ -714,6 +716,10 @@ int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+ 	t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size);
+ 	t->skb = tx_info->skb;
+ 
++	if (ieee80211_is_action(fc) &&
++	    mgmt->u.action.category == 0xff)
++		return -1;
++
+ 	id = mt76_token_consume(mdev, &t);
+ 	if (id < 0)
+ 		return id;
+-- 
+2.18.0
+