cfg80211: mark negative frequencies as invalid

Regulatory rules with negative frequencies are now
marked as invalid in is_valid_reg_rule().

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 4c7e39d466c4..7a2ce270f4d3 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -330,7 +330,7 @@ static bool is_valid_reg_rule(const struct ieee80211_reg_rule *rule)
         const struct ieee80211_freq_range *freq_range = &rule->freq_range;
         u32 freq_diff;
 
-        if (freq_range->start_freq_khz == 0 || freq_range->end_freq_khz == 0)
+        if (freq_range->start_freq_khz <= 0 || freq_range->end_freq_khz <= 0)
                 return false;
 
         if (freq_range->start_freq_khz > freq_range->end_freq_khz)