diff --git a/[refs] b/[refs]
index 594436111c59..aad4dc628cfe 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fc6971d491517ba15e800540ff88caa55dc65b01
+refs/heads/master: d71aaf6053e380996e40c9ecfe39a8dced52694c
diff --git a/trunk/net/wireless/reg.c b/trunk/net/wireless/reg.c
index 8e5d23975a0d..34983a825ac1 100644
--- a/trunk/net/wireless/reg.c
+++ b/trunk/net/wireless/reg.c
@@ -321,7 +321,7 @@ static bool is_valid_reg_rule(const struct ieee80211_reg_rule *rule)
 
 	freq_diff = freq_range->end_freq_khz - freq_range->start_freq_khz;
 
-	if (freq_range->max_bandwidth_khz > freq_diff)
+	if (freq_diff <= 0 || freq_range->max_bandwidth_khz > freq_diff)
 		return false;
 
 	return true;