diff mbox series

[6.0,238/862] wifi: mac80211: properly set old_links when removing a link

Message ID 20221019083300.554557388@linuxfoundation.org
State New
Headers
Series None |

Commit Message

Greg KH Oct. 19, 2022, 8:25 a.m. UTC 
  From: Shaul Triebitz <shaul.triebitz@intel.com>

[ Upstream commit a8f62399daa6917e7f9efeb79bce4dd2cd494a1e ]

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: cb71f1d136a6 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/mac80211/sta_info.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 58998d821778..9d7b238a6737 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -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);
 }