cfg80211: make wdev_list accessible to drivers
There's no harm in having drivers read the list, since they can
use RCU protection or RTNL locking; allow this to not require
each and every driver to also implement its own bookkeeping.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 7f7b940..d25c82b 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -3,6 +3,7 @@
*
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
+ * Copyright 2015 Intel Deutschland GmbH
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -157,7 +158,7 @@
if (!(rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK))
return -EOPNOTSUPP;
- list_for_each_entry(wdev, &rdev->wdev_list, list) {
+ list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
if (!wdev->netdev)
continue;
wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
@@ -171,7 +172,8 @@
/* failed -- clean up to old netns */
net = wiphy_net(&rdev->wiphy);
- list_for_each_entry_continue_reverse(wdev, &rdev->wdev_list,
+ list_for_each_entry_continue_reverse(wdev,
+ &rdev->wiphy.wdev_list,
list) {
if (!wdev->netdev)
continue;
@@ -230,7 +232,7 @@
ASSERT_RTNL();
- list_for_each_entry(wdev, &rdev->wdev_list, list) {
+ list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
if (wdev->netdev) {
dev_close(wdev->netdev);
continue;
@@ -298,7 +300,8 @@
kfree(item);
spin_unlock_irq(&rdev->destroy_list_lock);
- list_for_each_entry_safe(wdev, tmp, &rdev->wdev_list, list) {
+ list_for_each_entry_safe(wdev, tmp,
+ &rdev->wiphy.wdev_list, list) {
if (nlportid == wdev->owner_nlportid)
rdev_del_virtual_intf(rdev, wdev);
}
@@ -410,7 +413,7 @@
dev_set_name(&rdev->wiphy.dev, PHY_NAME "%d", rdev->wiphy_idx);
}
- INIT_LIST_HEAD(&rdev->wdev_list);
+ INIT_LIST_HEAD(&rdev->wiphy.wdev_list);
INIT_LIST_HEAD(&rdev->beacon_registrations);
spin_lock_init(&rdev->beacon_registrations_lock);
spin_lock_init(&rdev->bss_lock);
@@ -799,7 +802,7 @@
nl80211_notify_wiphy(rdev, NL80211_CMD_DEL_WIPHY);
rdev->wiphy.registered = false;
- WARN_ON(!list_empty(&rdev->wdev_list));
+ WARN_ON(!list_empty(&rdev->wiphy.wdev_list));
/*
* First remove the hardware from everywhere, this makes
@@ -1021,7 +1024,7 @@
spin_lock_init(&wdev->mgmt_registrations_lock);
wdev->identifier = ++rdev->wdev_id;
- list_add_rcu(&wdev->list, &rdev->wdev_list);
+ list_add_rcu(&wdev->list, &rdev->wiphy.wdev_list);
rdev->devlist_generation++;
/* can only change netns with wiphy */
dev->features |= NETIF_F_NETNS_LOCAL;