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From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Tue, 3 Jan 2023 14:56:19 +0100
Subject: [PATCH] wifi: mt76: fix switch default case in
 mt7996_reverse_frag0_hdr_trans
References: bsc#1012628
Patch-mainline: 6.2.3
Git-commit: aed8d9b506c22848add261ffad8fdabc57f21964

[ Upstream commit aed8d9b506c22848add261ffad8fdabc57f21964 ]

The switch default case for frame_contorl is invalid. Return -EINVAL
error for it.

Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 drivers/net/wireless/mediatek/mt76/mt7996/mac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
index ce4242f9..96ced4c0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
@@ -469,7 +469,7 @@ static int mt7996_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap)
 		ether_addr_copy(hdr.addr4, eth_hdr->h_source);
 		break;
 	default:
-		break;
+		return -EINVAL;
 	}
 
 	skb_pull(skb, hdr_gap + sizeof(struct ethhdr) - 2);
-- 
2.35.3