1 files changed, 13 insertions, 0 deletions

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 38b3468bc515..9cdbc774cfd7 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -621,6 +621,9 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
 
         INIT_WORK(&local->restart_work, ieee80211_restart_work);
 
+        INIT_WORK(&local->radar_detected_work,
+                  ieee80211_dfs_radar_detected_work);
+
         INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter);
         local->smps_mode = IEEE80211_SMPS_OFF;
 
@@ -713,6 +716,16 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
                  */
                 if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_WDS))
                         return -EINVAL;
+
+                /* DFS currently not supported with channel context drivers */
+                for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) {
+                        const struct ieee80211_iface_combination *comb;
+
+                        comb = &local->hw.wiphy->iface_combinations[i];
+
+                        if (comb->radar_detect_widths)
+                                return -EINVAL;
+                }
         }
 
         /* Only HW csum features are currently compatible with mac80211 */