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Code Issues Releases Wiki Activity

wifi: mac80211: properly set old_links when removing a link

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In ieee80211_sta_remove_link, valid_links is set to
the new_links before calling drv_change_sta_links, but
is used for the old_links.

Fixes: cb71f1d136 ("wifi: mac80211: add sta link addition/removal")
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Shaul Triebitz 2022-07-24 11:07:32 +03:00 committed by Johannes Berg
parent b303835dab
commit a8f62399da
1 changed files with 2 additions and 2 deletions
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4
net/mac80211/sta_info.c
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@ -2799,6 +2799,7 @@ int ieee80211_sta_activate_link(struct sta_info *sta, unsigned int link_id)
void ieee80211_sta_remove_link(struct sta_info *sta, unsigned int link_id)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
u16 old_links = sta->sta.valid_links;
lockdep_assert_held(&sdata->local->sta_mtx);
@ -2806,8 +2807,7 @@ void ieee80211_sta_remove_link(struct sta_info *sta, unsigned int link_id)
if (test_sta_flag(sta, WLAN_STA_INSERTED))
drv_change_sta_links(sdata->local, sdata, &sta->sta,
sta->sta.valid_links,
sta->sta.valid_links & ~BIT(link_id));
old_links, sta->sta.valid_links);
sta_remove_link(sta, link_id, true);
}