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[PATCH] cfg80211: notify core hints that helps to restore regd settings

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Regulatory updates set by CORE are ignored for custom regulatory cards.
Let us notify the changes to the driver, as some drivers uses core hint
to restore its orig_* reg domain setting.

Cc: Paul Stewart <pstew@xxxxxxxxxx>
Signed-off-by: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
---
 net/wireless/reg.c |   16 ++++++++++++++--
 1 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index db958ba..c45c8b7 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1175,9 +1175,21 @@ void regulatory_update(struct wiphy *wiphy,
 static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator)
 {
 	struct cfg80211_registered_device *rdev;
+	struct wiphy *wiphy;
 
-	list_for_each_entry(rdev, &cfg80211_rdev_list, list)
-		wiphy_update_regulatory(&rdev->wiphy, initiator);
+	list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+		wiphy = &rdev->wiphy;
+		wiphy_update_regulatory(wiphy, initiator);
+		/*
+		 * Regulatory updates set by CORE are ignored for custom
+		 * regulatory cards. Let us notify the changes to the driver,
+		 * as some drivers used this to restore its orig_* reg domain.
+		 */
+		if (initiator == NL80211_REGDOM_SET_BY_CORE &&
+		    wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY &&
+		    wiphy->reg_notifier)
+			wiphy->reg_notifier(wiphy, last_request);
+	}
 }
 
 static void handle_channel_custom(struct wiphy *wiphy,
-- 
1.7.8

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