1 files changed, 1 insertions, 1 deletions

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 8e5d23975a0d..34983a825ac1 100644
--- a/net/wireless/reg.c
+++ b/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;