wifi: mac80211: reset negotiated TTLM on disconnect

[ Upstream commit 609c12a2af046c3674af2d5c7978b025718de5e8 ]

The negotiated TTLM data must be reset on disconnect, otherwise
it may end up getting reused on another connection. Fix that.

Fixes: 8f500fbc6c65 ("wifi: mac80211: process and save negotiated TID to Link mapping request")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506211858.04142e8fe01c.Ia144457e086ebd8ddcfa31bdf5ff210b4b351c22@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 0a9949bbd7576223c13b0071a27f771582d16227..ad2ce9c92ba8a2783533b2b00a4e3d50ae9e467b 100644 (file)
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3287,6 +3287,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
               sizeof(sdata->u.mgd.ttlm_info));
        wiphy_delayed_work_cancel(sdata->local->hw.wiphy, &ifmgd->ttlm_work);
 
+       memset(&sdata->vif.neg_ttlm, 0, sizeof(sdata->vif.neg_ttlm));
        wiphy_delayed_work_cancel(sdata->local->hw.wiphy,
                                  &ifmgd->neg_ttlm_timeout_work);