Commit 0320d68f authored by Johannes Berg's avatar Johannes Berg
Browse files

wifi: cfg80211: reg: hold wiphy mutex for wdev iteration 



Since we will want to remove the wdev lock in the future,
lock the wiphy here to iterate and check the flags.

Reviewed-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 0e8185ce

net/wireless/reg.c

+3 −0
Original line number Diff line number Diff line
@@ -3575,14 +3575,17 @@ static bool is_wiphy_all_set_reg_flag(enum ieee80211_regulatory_flags flag) 
	struct wireless_dev *wdev;



	for_each_rdev(rdev) {

		wiphy_lock(&rdev->wiphy);

		list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {

			wdev_lock(wdev);

			if (!(wdev->wiphy->regulatory_flags & flag)) {

				wdev_unlock(wdev);

				wiphy_unlock(&rdev->wiphy);

				return false;

			}

			wdev_unlock(wdev);

		}

		wiphy_unlock(&rdev->wiphy);

	}



	return true;