is_valid_reg_rule() is false when freq_diff is 0

[platform/upstream/crda.git] / reglib.c

diff --git a/reglib.c b/reglib.c
index de6bb10..feb4af8 100644 (file)
--- a/reglib.c
+++ b/reglib.c
@@ -211,7 +211,7 @@ int 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 0;
 
        return 1;