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Diffstat (limited to 'net/wireless/chan.c')
-rw-r--r--net/wireless/chan.c30
1 files changed, 23 insertions, 7 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 099f13c0c39e..b8aa5a7d5c77 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -531,16 +531,11 @@ bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev)
return active;
}
-bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
- struct ieee80211_channel *chan)
+static bool cfg80211_is_wiphy_oper_chan(struct wiphy *wiphy,
+ struct ieee80211_channel *chan)
{
struct wireless_dev *wdev;
- ASSERT_RTNL();
-
- if (!(chan->flags & IEEE80211_CHAN_RADAR))
- return false;
-
list_for_each_entry(wdev, &wiphy->wdev_list, list) {
wdev_lock(wdev);
if (!cfg80211_beaconing_iface_active(wdev)) {
@@ -558,6 +553,27 @@ bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
return false;
}
+bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
+ struct ieee80211_channel *chan)
+{
+ struct cfg80211_registered_device *rdev;
+
+ ASSERT_RTNL();
+
+ if (!(chan->flags & IEEE80211_CHAN_RADAR))
+ return false;
+
+ list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ if (!reg_dfs_domain_same(wiphy, &rdev->wiphy))
+ continue;
+
+ if (cfg80211_is_wiphy_oper_chan(&rdev->wiphy, chan))
+ return true;
+ }
+
+ return false;
+}
+
static bool cfg80211_get_chans_dfs_available(struct wiphy *wiphy,
u32 center_freq,
u32 bandwidth)