mac80211: reconfig bss_info_changed only if beaconing

For AP/IBSS/mesh interfaces, call the driver to reconfigure
bss_info_changed only if the interface was beaconing before
suspend, otherwise we call the driver and it might interpret
the change as going from enabled to disabled.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 2e2e13bf96b2..e27c89c27bf4 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1555,9 +1555,11 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 
                         /* fall through */
                 case NL80211_IFTYPE_MESH_POINT:
-                        changed |= BSS_CHANGED_BEACON |
-                                   BSS_CHANGED_BEACON_ENABLED;
-                        ieee80211_bss_info_change_notify(sdata, changed);
+                        if (sdata->vif.bss_conf.enable_beacon) {
+                                changed |= BSS_CHANGED_BEACON |
+                                           BSS_CHANGED_BEACON_ENABLED;
+                                ieee80211_bss_info_change_notify(sdata, changed);
+                        }
                         break;
                 case NL80211_IFTYPE_WDS:
                         break;