[RFC 2/6] wifi: Don't spam logs with 'Found new beacon' messages.

[greearb@candelatech.com]

From: Ben Greear <greearb@candelatech.com>

We saw logs fill with this (at very high speeds):

cfg80211: Found new beacon on frequency: 5745 MHz (Ch 149) on wiphy0
cfg80211: Found new beacon on frequency: 5745 MHz (Ch 149) on wiphy0
cfg80211: Found new beacon on frequency: 5745 MHz (Ch 149) on wiphy0
cfg80211: Found new beacon on frequency: 5745 MHz (Ch 149) on wiphy0
cfg80211: Found new beacon on frequency: 5745 MHz (Ch 149) on wiphy0
cfg80211: Found new beacon on frequency: 5745 MHz (Ch 149) on wiphy0
cfg80211: Found new beacon on frequency: 5745 MHz (Ch 149) on wiphy0
cfg80211: Found new beacon on frequency: 5745 MHz (Ch 149) on wiphy0
cfg80211: Found new beacon on frequency: 5745 MHz (Ch 149) on wiphy0
cfg80211: Found new beacon on frequency: 5745 MHz (Ch 149) on wiphy0
cfg80211: Found new beacon on frequency: 5745 MHz (Ch 149) on wiphy0
cfg80211: Found new beacon on frequency: 5745 MHz (Ch 149) on wiphy0

Signed-off-by: Ben Greear <greearb@candelatech.com>
---
 net/wireless/reg.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 6e53089..8aa7867 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2067,11 +2067,12 @@ int regulatory_hint_found_beacon(struct wiphy *wiphy,
 	if (!reg_beacon)
 		return -ENOMEM;
 
-	REG_DBG_PRINT("Found new beacon on "
-		      "frequency: %d MHz (Ch %d) on %s\n",
-		      beacon_chan->center_freq,
-		      ieee80211_frequency_to_channel(beacon_chan->center_freq),
-		      wiphy_name(wiphy));
+	if (printk_ratelimit())
+		REG_DBG_PRINT("Found new beacon on "
+			      "frequency: %d MHz (Ch %d) on %s\n",
+			      beacon_chan->center_freq,
+			      ieee80211_frequency_to_channel(beacon_chan->center_freq),
+			      wiphy_name(wiphy));
 
 	memcpy(&reg_beacon->chan, beacon_chan,
 		sizeof(struct ieee80211_channel));
-- 
1.7.3.4