cfg80211/mac80211: remove .get_channel

We do not need it anymore since cfg80211 tracks
monitor channel and monitor channel type.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

4 files changed, 7 insertions, 34 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index f0d213dd8fe7..fa269347355b 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1501,9 +1501,6 @@ struct cfg80211_gtk_rekey_data {
  *      be stored for when a monitor interface becomes active.
  * @set_monitor_enabled: Notify driver that there are only monitor
  *      interfaces running.
- * @get_channel: Get the current operating channel, should return %NULL if
- *      there's no single defined operating channel if for example the
- *      device implements channel hopping for multi-channel virtual interfaces.
  *
  * @scan: Request to do a scan. If returning zero, the scan request is given
  *      the driver, and will be valid until passed to cfg80211_scan_done().
@@ -1810,9 +1807,6 @@ struct cfg80211_ops {
                                   struct net_device *dev,
                                   u16 noack_map);
 
-        struct ieee80211_channel *(*get_channel)(struct wiphy *wiphy,
-                                               enum nl80211_channel_type *type);
-
         int     (*get_et_sset_count)(struct wiphy *wiphy,
                                      struct net_device *dev, int sset);
         void    (*get_et_stats)(struct wiphy *wiphy, struct net_device *dev,
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index ea4b1ea9105a..ccbe2413142a 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2980,16 +2980,6 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
         return 0;
 }
 
-static struct ieee80211_channel *
-ieee80211_wiphy_get_channel(struct wiphy *wiphy,
-                            enum nl80211_channel_type *type)
-{
-        struct ieee80211_local *local = wiphy_priv(wiphy);
-
-        *type = local->_oper_channel_type;
-        return local->oper_channel;
-}
-
 static void ieee80211_set_monitor_enabled(struct wiphy *wiphy, bool enabled)
 {
         struct ieee80211_local *local = wiphy_priv(wiphy);
@@ -3073,7 +3063,6 @@ struct cfg80211_ops mac80211_config_ops = {
         .tdls_oper = ieee80211_tdls_oper,
         .tdls_mgmt = ieee80211_tdls_mgmt,
         .probe_client = ieee80211_probe_client,
-        .get_channel = ieee80211_wiphy_get_channel,
         .set_noack_map = ieee80211_set_noack_map,
         .set_monitor_enabled = ieee80211_set_monitor_enabled,
 #ifdef CONFIG_PM
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 12096b4ebf62..5d29ed1f7c62 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1689,16 +1689,11 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
                         (cfg80211_rdev_list_generation << 2)))
                 goto nla_put_failure;
 
-        if (rdev->ops->get_channel) {
-                struct ieee80211_channel *chan;
-                enum nl80211_channel_type channel_type;
-
-                chan = rdev->ops->get_channel(&rdev->wiphy, &channel_type);
-                if (chan &&
-                    (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
-                                    chan->center_freq) ||
-                     nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
-                                    channel_type)))
+        if (rdev->monitor_channel) {
+                if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
+                                rdev->monitor_channel->center_freq) ||
+                    nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
+                                rdev->monitor_channel_type))
                         goto nla_put_failure;
         }
 
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index bc879833b21f..7df42f541873 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -827,8 +827,6 @@ static int cfg80211_wext_giwfreq(struct net_device *dev,
 {
         struct wireless_dev *wdev = dev->ieee80211_ptr;
         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
-        struct ieee80211_channel *chan;
-        enum nl80211_channel_type channel_type;
 
         switch (wdev->iftype) {
         case NL80211_IFTYPE_STATION:
@@ -836,13 +834,10 @@ static int cfg80211_wext_giwfreq(struct net_device *dev,
         case NL80211_IFTYPE_ADHOC:
                 return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
         case NL80211_IFTYPE_MONITOR:
-                if (!rdev->ops->get_channel)
+                if (!rdev->monitor_channel)
                         return -EINVAL;
 
-                chan = rdev->ops->get_channel(wdev->wiphy, &channel_type);
-                if (!chan)
-                        return -EINVAL;
-                freq->m = chan->center_freq;
+                freq->m = rdev->monitor_channel->center_freq;
                 freq->e = 6;
                 return 0;
         default: