fedora kernel: b920e9b748c595f970bf80ede7832d39f8d567dav3.4.1-2

Signed-off-by: Anton Arapov <anton@redhat.com>

1 files changed, 12 insertions, 17 deletions

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index f65feaad155..15f347477a9 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -388,7 +388,15 @@ static void reg_regdb_query(const char *alpha2)
 
 	schedule_work(&reg_regdb_work);
 }
+
+/* Feel free to add any other sanity checks here */
+static void reg_regdb_size_check(void)
+{
+	/* We should ideally BUILD_BUG_ON() but then random builds would fail */
+	WARN_ONCE(!reg_regdb_size, "db.txt is empty, you should update it...");
+}
 #else
+static inline void reg_regdb_size_check(void) {}
 static inline void reg_regdb_query(const char *alpha2) {}
 #endif /* CONFIG_CFG80211_INTERNAL_REGDB */
 
@@ -882,23 +890,8 @@ static void handle_channel(struct wiphy *wiphy,
 	chan->flags = flags | bw_flags | map_regdom_flags(reg_rule->flags);
 	chan->max_antenna_gain = min(chan->orig_mag,
 		(int) MBI_TO_DBI(power_rule->max_antenna_gain));
-	if (chan->orig_mpwr) {
-		/*
-		 * Devices that have their own custom regulatory domain
-		 * but also use WIPHY_FLAG_STRICT_REGULATORY will follow the
-		 * passed country IE power settings.
-		 */
-		if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
-		    wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY &&
-		    wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) {
-			chan->max_power =
-				MBM_TO_DBM(power_rule->max_eirp);
-		} else {
-			chan->max_power = min(chan->orig_mpwr,
-				(int) MBM_TO_DBM(power_rule->max_eirp));
-		}
-	} else
-		chan->max_power = (int) MBM_TO_DBM(power_rule->max_eirp);
+	chan->max_reg_power = (int) MBM_TO_DBM(power_rule->max_eirp);
+	chan->max_power = min(chan->max_power, chan->max_reg_power);
 }
 
 static void handle_band(struct wiphy *wiphy,
@@ -2337,6 +2330,8 @@ int __init regulatory_init(void)
 	spin_lock_init(&reg_requests_lock);
 	spin_lock_init(&reg_pending_beacons_lock);
 
+	reg_regdb_size_check();
+
 	cfg80211_regdomain = cfg80211_world_regdom;
 
 	user_alpha2[0] = '9';