Commit ba22fb5b authored by Johannes Berg's avatar Johannes Berg
Browse files

nl80211: don't assume wdev->netdev exists 



There are a few places that iterate the wdev
list and assume wdev->netdev exists, check
there. The rfkill one has to be extended for
each non-netdev type later.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 72fb2abc

net/wireless/core.c

+6 −1
Original line number Diff line number Diff line
@@ -177,6 +177,8 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, 
		return -EOPNOTSUPP;



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

		if (!wdev->netdev)

			continue;

		wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;

		err = dev_change_net_namespace(wdev->netdev, net, "wlan%d");

		if (err)
@@ -190,6 +192,8 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, 


		list_for_each_entry_continue_reverse(wdev, &rdev->wdev_list,

						     list) {

			if (!wdev->netdev)

				continue;

			wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;

			err = dev_change_net_namespace(wdev->netdev, net,

							"wlan%d");
@@ -227,6 +231,7 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked) 
	mutex_lock(&rdev->devlist_mtx);



	list_for_each_entry(wdev, &rdev->wdev_list, list)

		if (wdev->netdev)

			dev_close(wdev->netdev);



	mutex_unlock(&rdev->devlist_mtx);