This is a note to let you know that I've just added the patch titled wifi: mac80211: don't recreate driver link debugfs in reconfig to the 6.5-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-don-t-recreate-driver-link-debugfs-in-.patch and it can be found in the queue-6.5 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 41017ebe011695f01bee58a8caeac4b94d3deac7 Author: Johannes Berg <johannes.berg@xxxxxxxxx> Date: Thu Sep 28 17:35:24 2023 +0300 wifi: mac80211: don't recreate driver link debugfs in reconfig [ Upstream commit 822cab1987a0e028e38b60aecd98af0289b46e7b ] We can delete any that we want to remove, but we can't recreate the links as they already exist. Fixes: 170cd6a66d9a ("wifi: mac80211: add netdev per-link debugfs data and driver hook") Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx> Link: https://lore.kernel.org/r/20230928172905.3d0214838421.I512a0ff86f631ff42bf25ea0cb2e8e8616794a94@changeid Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index 30cd0c905a24f..aa37a1410f377 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -510,10 +510,13 @@ int drv_change_vif_links(struct ieee80211_local *local, if (ret) return ret; - for_each_set_bit(link_id, &links_to_add, IEEE80211_MLD_MAX_NUM_LINKS) { - link = rcu_access_pointer(sdata->link[link_id]); + if (!local->in_reconfig) { + for_each_set_bit(link_id, &links_to_add, + IEEE80211_MLD_MAX_NUM_LINKS) { + link = rcu_access_pointer(sdata->link[link_id]); - ieee80211_link_debugfs_drv_add(link); + ieee80211_link_debugfs_drv_add(link); + } } return 0;