This is a note to let you know that I've just added the patch titled
wifi: mac80211: check ieee80211_bss_info_change_notify() against MLD
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-mac80211-check-ieee80211_bss_info_change_notify.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit af7a03d80ed3297ad2d5df9c9741f26845b88bfa
Author: Johannes Berg <johannes.berg@xxxxxxxxx>
Date: Thu May 23 12:11:40 2024 +0200
wifi: mac80211: check ieee80211_bss_info_change_notify() against MLD
[ Upstream commit a0ca76e5b7d550fcd74753d5fdaaf23f1a9bfdb4 ]
It's not valid to call ieee80211_bss_info_change_notify() with
an sdata that's an MLD, remove the FIXME comment (it's not true)
and add a warning.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@xxxxxxxxx>
Link: https://msgid.link/20240523121140.97a589b13d24.I61988788d81fb3cf97a490dfd3167f67a141d1fd@changeid
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 066424e62ff0..71d60f57a886 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -215,6 +215,8 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
might_sleep();
+ WARN_ON_ONCE(ieee80211_vif_is_mld(&sdata->vif));
+
if (!changed || sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
return;
@@ -247,7 +249,6 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
if (changed & ~BSS_CHANGED_VIF_CFG_FLAGS) {
u64 ch = changed & ~BSS_CHANGED_VIF_CFG_FLAGS;
- /* FIXME: should be for each link */
trace_drv_link_info_changed(local, sdata, &sdata->vif.bss_conf,
changed);
if (local->ops->link_info_changed)
