ath: fix usage of freq_reg_info()

Author: Luis R. Rodriguez <mcgrof@do-not-panic.com>

freq_reg_info() expects KHz and not MHz, fix this. In
this case we'll now be getting the no-ir flags cleared
on channels for any channel when the country IE trusts
that channel.

@@
struct ieee80211_channel *ch;
struct wiphy *wiphy;
const struct ieee80211_reg_rule *rule;
@@

-rule = freq_reg_info(wiphy, ch->center_freq);
+rule = freq_reg_info(wiphy, MHZ_TO_KHZ(ch->center_freq));

Generated-by: Coccinelle SmPL
Cc: Julia Lawall 
Cc: Peter Senna Tschudin 
Reported-by: Mihir Shete 
Signed-off-by: Luis R. Rodriguez 
Signed-off-by: John W. Linville 

---
 drivers/net/wireless/ath/regd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index b02b43e..3baafa5 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -183,7 +183,7 @@ static void ath_force_clear_no_ir_chan(struct wiphy *wiphy,
 {
 	const struct ieee80211_reg_rule *reg_rule;
 
-	reg_rule = freq_reg_info(wiphy, ch->center_freq);
+	reg_rule = freq_reg_info(wiphy, MHZ_TO_KHZ(ch->center_freq));
 	if (IS_ERR(reg_rule))
 		return;