This is a note to let you know that I've just added the patch titled mac80211: fix CSA in IBSS mode to the 4.9-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: mac80211-fix-csa-in-ibss-mode.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From f181d6a3bcc35633facf5f3925699021c13492c5 Mon Sep 17 00:00:00 2001 From: Koen Vandeputte <koen.vandeputte@xxxxxxxxxxxx> Date: Wed, 8 Feb 2017 15:32:05 +0100 Subject: mac80211: fix CSA in IBSS mode MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Koen Vandeputte <koen.vandeputte@xxxxxxxxxxxx> commit f181d6a3bcc35633facf5f3925699021c13492c5 upstream. Add the missing IBSS capability flag during capability init as it needs to be inserted into the generated beacon in order for CSA to work. Fixes: cd7760e62c2ac ("mac80211: add support for CSA in IBSS mode") Signed-off-by: Piotr Gawlowicz <gawlowicz@xxxxxxxxxxxxxxxx> Signed-off-by: Mikołaj Chwalisz <chwalisz@xxxxxxxxxxxxxxxx> Tested-by: Koen Vandeputte <koen.vandeputte@xxxxxxxxxxxx> Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/mac80211/ibss.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -487,14 +487,14 @@ int ieee80211_ibss_csa_beacon(struct iee struct beacon_data *presp, *old_presp; struct cfg80211_bss *cbss; const struct cfg80211_bss_ies *ies; - u16 capability = 0; + u16 capability = WLAN_CAPABILITY_IBSS; u64 tsf; int ret = 0; sdata_assert_lock(sdata); if (ifibss->privacy) - capability = WLAN_CAPABILITY_PRIVACY; + capability |= WLAN_CAPABILITY_PRIVACY; cbss = cfg80211_get_bss(sdata->local->hw.wiphy, ifibss->chandef.chan, ifibss->bssid, ifibss->ssid, Patches currently in stable-queue which might be from koen.vandeputte@xxxxxxxxxxxx are queue-4.9/mac80211-fix-csa-in-ibss-mode.patch