diff --git a/autobuild_mac80211_release/package/kernel/mac80211_dev/patches/subsys/902-mac80211-mtk-it-s-invalid-case-when-frag_threshold-i.patch b/autobuild_mac80211_release/package/kernel/mac80211_dev/patches/subsys/902-mac80211-mtk-it-s-invalid-case-when-frag_threshold-i.patch
new file mode 100644
index 0000000..46a18f7
--- /dev/null
+++ b/autobuild_mac80211_release/package/kernel/mac80211_dev/patches/subsys/902-mac80211-mtk-it-s-invalid-case-when-frag_threshold-i.patch
@@ -0,0 +1,28 @@
+From e66fda08e681b11aa6a10bd7fd750d210cb22745 Mon Sep 17 00:00:00 2001
+From: Bo Jiao <Bo.Jiao@mediatek.com>
+Date: Fri, 1 Apr 2022 09:15:21 +0800
+Subject: [PATCH 902/908] mac80211: mtk: it's invalid case when frag_threshold
+ is greater than 2346
+
+Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com>
+---
+ net/wireless/nl80211.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
+index d3b03ab..aa04e11 100644
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -3615,6 +3615,9 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
+ 			goto out;
+ 		}
+ 
++		if (frag_threshold >= 2346)
++			frag_threshold = (u32) -1;
++
+ 		if (frag_threshold != (u32) -1) {
+ 			/*
+ 			 * Fragments (apart from the last one) are required to
+-- 
+2.18.0
+