cfg80211: notify core hints that helps to restore regd settings

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@google.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 70b171a52aeacdb686ac3a6a79c4997b85b0ec19..2f5b0505c95d59e9362bddf01432a1f2b2a50778 100644 (file)
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1163,9 +1163,21 @@ 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,