Last caller of this function was removed in 3.17 in commit
97dc94f1d933c9df2c0b327066ea130c0e92083f.
Signed-off-by: Michal Sojka
---
net/wireless/core.h | 7
net/wireless/util.c | 114
2 files changed, 121 deletions(-)
diff --git a/net/wireless/core.h b/net/wireless/core.h
index a618b4b..022ccad 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -416,13 +416,6 @@ int cfg80211_change_iface(struct
cfg80211_registered_device *rdev,
void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
void cfg80211_process_wdev_events(struct wireless_dev *wdev);
-int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
-struct wireless_dev *wdev,
-enum nl80211_iftype iftype,
-struct ieee80211_channel *chan,
-enum cfg80211_chan_mode chanmode,
-u8 radar_detect);
-
/**
* cfg80211_chandef_dfs_usable - checks if chandef is DFS usable
* @wiphy: the wiphy to validate against
diff --git a/net/wireless/util.c b/net/wireless/util.c
index baf7218..44d30cc 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1620,120 +1620,6 @@ int cfg80211_check_combinations(struct wiphy *wiphy,
}
EXPORT_SYMBOL(cfg80211_check_combinations);
-int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
-struct wireless_dev *wdev,
-enum nl80211_iftype iftype,
-struct ieee80211_channel *chan,
-enum cfg80211_chan_mode chanmode,
-u8 radar_detect)
-{
- struct wireless_dev *wdev_iter;
- int num[NUM_NL80211_IFTYPES];
- struct ieee80211_channel
- *used_channels[CFG80211_MAX_NUM_DIFFERENT_CHANNELS];
- struct ieee80211_channel *ch;
- enum cfg80211_chan_mode chmode;
- int num_different_channels = 0;
- int total = 1;
- int i;
-
- ASSERT_RTNL();
-
- if (WARN_ON(hweight32(radar_detect) > 1))
- return -EINVAL;
-
- if (WARN_ON(iftype >= NUM_NL80211_IFTYPES))
- return -EINVAL;
-
- /* Always allow software iftypes */
- if (rdev->wiphy.software_iftypes & BIT(iftype)) {
- if (radar_detect)
- return -EINVAL;
- return 0;
- }
-
- memset(num, 0, sizeof(num));
- memset(used_channels, 0, sizeof(used_channels));
-
- num[iftype] = 1;
-
- /* TODO: We'll probably not need this anymore, since this
-* should only be called with CHAN_MODE_UNDEFINED. There are
-* still a couple of pending calls where other chanmodes are
-* used, but we should get rid of them.
-*/
- switch (chanmode) {
- case CHAN_MODE_UNDEFINED:
- break;
- case CHAN_MODE_SHARED:
- WARN_ON(!chan);
- used_channels[0] = chan;
- num_different_channels++;
- break;
- case CHAN_MODE_EXCLUSIVE:
- num_different_channels++;
- break;
- }
-
- list_for_each_entry(wdev_iter, &rdev->wdev_list, list) {
- if (wdev_iter == wdev)
- continue;
- if (wdev_iter->iftype == NL80211_IFTYPE_P2P_DEVICE) {
- if (!wdev_iter->p2p_started)
- continue;
- } else if (wdev_iter->netdev) {
- if (!netif_running(wdev_iter->netdev))
- continue;
- } else {
- WARN_ON(1);
- }
-
- if (rdev->wiphy.software_iftypes & BIT(wdev_iter->iftype))
- continue;
-
- /*
-* We may be holding the "wdev" mutex, but now need to lock
-* wdev_iter. This is OK because once we get here wdev_iter
-* is not wdev (tested above), but we need to use the nested
-* locking for lockdep.
-*/
- mutex_lock_nested(&wdev_iter->mtx, 1);
- __acquire(wdev_iter->mtx);
- cfg80211_get_chan_state(wdev_iter, &ch, &chmode, &radar_detect);
- wdev_unlock(wdev_iter);
-
- switch (chmode) {
- case CHAN_MODE_UNDEFINED:
- break;
- case CHAN_MODE_SHARED:
- for (i = 0; i < CFG80211_MAX_NUM_DIFFERENT_CHANNELS;
i++)
- if (!used_channels[i] || used_channels[i] == ch)
- break;
-
- if (i == CFG80211_MAX_NUM_DIFFERENT_CHANNELS)
- return -EBUSY;
-
- if (used_channels[i] ==
