1 files changed, 4 insertions, 0 deletions

diff --git a/net/wireless/core.c b/net/wireless/core.c
index a4d27927aba2..4c2e501203d1 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -541,6 +541,10 @@ int wiphy_register(struct wiphy *wiphy)
                     !wiphy->wowlan->tcp))
                 return -EINVAL;
 #endif
+        if (WARN_ON((wiphy->features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) &&
+                    (!rdev->ops->tdls_channel_switch ||
+                     !rdev->ops->tdls_cancel_channel_switch)))
+                return -EINVAL;
 
         if (WARN_ON(wiphy->coalesce &&
                     (!wiphy->coalesce->n_rules ||