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wifi: mt76: mt7921: fix using incorrect group cipher after disconnection.

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To avoid incorrect cipher after disconnection, we should
do the key deletion process in this case.

Fixes: e6db67fa871d ("wifi: mt76: ignore key disable commands")
Signed-off-by: Michael Lo <[email protected]>
Signed-off-by: Ming Yen Hsieh <[email protected]>
Tested-by: David Ruth <[email protected]>
Reviewed-by: David Ruth <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Michael Lo
2024-09-29 17:55:31 +02:00
committed by Felix Fietkau
parent 61641da04c
commit 680bc70f16
1 changed files with 7 additions and 1 deletions
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mt7921/main.c
+7 -1
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@@ -531,7 +531,13 @@ static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
} else {
if (idx == *wcid_keyidx)
*wcid_keyidx = -1;
goto out;
/* For security issue we don't trigger the key deletion when
* reassociating. But we should trigger the deletion process
* to avoid using incorrect cipher after disconnection,
*/
if (vif->type != NL80211_IFTYPE_STATION || vif->cfg.assoc)
goto out;
}
mt76_wcid_key_setup(&dev->mt76, wcid, key);