Commit 7035a082 authored by Deren Wu's avatar Deren Wu Committed by Felix Fietkau
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wifi: mt76: mt7921: prevent decap offload config before STA initialization 



The decap offload configuration should only be applied after the STA has
been successfully initialized. Attempting to configure it earlier can lead
to corruption of the MAC configuration in the chip's hardware state.

Add an early check for `msta->deflink.wcid.sta` to ensure the station peer
is properly initialized before proceeding with decapsulation offload
configuration.

Cc: stable@vger.kernel.org
Fixes: 24299fc8 ("mt76: mt7921: enable rx header traslation offload")
Signed-off-by: default avatarDeren Wu <deren.wu@mediatek.com>
Link: https://patch.msgid.link/f23a72ba7a3c1ad38ba9e13bb54ef21d6ef44ffb.1748149855.git.deren.wu@mediatek.com


Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 35ad47c0

drivers/net/wireless/mediatek/mt76/mt7921/main.c

+3 −0
Original line number Diff line number Diff line
@@ -1180,6 +1180,9 @@ static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 
	struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;

	struct mt792x_dev *dev = mt792x_hw_dev(hw);



	if (!msta->deflink.wcid.sta)

		return;



	mt792x_mutex_acquire(dev);



	if (enabled)