mac80211: avoid ROC during hw restart

Defer ROC requests during hw restart, as the driver
might not be fully configured in this stage (e.g.
channel contexts were not added yet)

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 9 insertions, 2 deletions

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 3943d4bf289c..4f6e0b79ef69 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2051,8 +2051,15 @@ int ieee80211_reconfig(struct ieee80211_local *local)
                 cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy);
 
  wake_up:
-        local->in_reconfig = false;
-        barrier();
+        if (local->in_reconfig) {
+                local->in_reconfig = false;
+                barrier();
+
+                /* Restart deferred ROCs */
+                mutex_lock(&local->mtx);
+                ieee80211_start_next_roc(local);
+                mutex_unlock(&local->mtx);
+        }
 
         if (local->monitors == local->open_count && local->monitors > 0)
                 ieee80211_add_virtual_monitor(local);