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wifi: mt76: mt7921: prevent decap offload config before STA initialization

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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: [email protected]
Fixes: 24299fc869f7 ("mt76: mt7921: enable rx header traslation offload")
Signed-off-by: Deren Wu <[email protected]>
Link: https://patch.msgid.link/f23a72ba7a3c1ad38ba9e13bb54ef21d6ef44ffb.1748149855.git.deren.wu@mediatek.com
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Deren Wu
2025-06-18 16:56:13 +02:00
committed by Felix Fietkau
parent 3699df4e85
commit a17fbd3d85
1 changed files with 3 additions and 0 deletions
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mt7921/main.c
+3
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@@ -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)