[PATCH] mac80211: kill PRISM2_PARAM_CLEAR_KEYS

Not used anywhere, hence dead code. wpa_supplicant has its
own clear_keys routine.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 0 insertions, 61 deletions

diff --git a/net/mac80211/hostapd_ioctl.h b/net/mac80211/hostapd_ioctl.h
index 95ca1f983a72..52da513f060a 100644
--- a/net/mac80211/hostapd_ioctl.h
+++ b/net/mac80211/hostapd_ioctl.h
@@ -32,7 +32,6 @@ enum {
         PRISM2_PARAM_PREAMBLE = 1003,
         PRISM2_PARAM_SHORT_SLOT_TIME = 1006,
         PRISM2_PARAM_NEXT_MODE = 1008,
-        PRISM2_PARAM_CLEAR_KEYS = 1009,
         PRISM2_PARAM_RADIO_ENABLED = 1010,
         PRISM2_PARAM_ANTENNA_MODE = 1013,
         PRISM2_PARAM_STAT_TIME = 1016,
diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index f465d0a1c153..9c1d076b1944 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -1018,62 +1018,6 @@ static int ieee80211_ioctl_giwretry(struct net_device *dev,
         return 0;
 }
 
-static int ieee80211_ioctl_clear_keys(struct net_device *dev)
-{
-        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-        struct ieee80211_key_conf key;
-        int i;
-        u8 addr[ETH_ALEN];
-        struct ieee80211_key_conf *keyconf;
-        struct ieee80211_sub_if_data *sdata;
-        struct sta_info *sta;
-
-        memset(addr, 0xff, ETH_ALEN);
-        read_lock(&local->sub_if_lock);
-        list_for_each_entry(sdata, &local->sub_if_list, list) {
-                for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
-                        keyconf = NULL;
-                        if (sdata->keys[i] &&
-                            !sdata->keys[i]->force_sw_encrypt &&
-                            local->ops->set_key &&
-                            (keyconf = ieee80211_key_data2conf(local,
-                                                               sdata->keys[i])))
-                                local->ops->set_key(local_to_hw(local),
-                                                   DISABLE_KEY, addr,
-                                                   keyconf, 0);
-                        kfree(keyconf);
-                        ieee80211_key_free(sdata->keys[i]);
-                        sdata->keys[i] = NULL;
-                }
-                sdata->default_key = NULL;
-        }
-        read_unlock(&local->sub_if_lock);
-
-        spin_lock_bh(&local->sta_lock);
-        list_for_each_entry(sta, &local->sta_list, list) {
-                keyconf = NULL;
-                if (sta->key && !sta->key->force_sw_encrypt &&
-                    local->ops->set_key &&
-                    (keyconf = ieee80211_key_data2conf(local, sta->key)))
-                        local->ops->set_key(local_to_hw(local), DISABLE_KEY,
-                                           sta->addr, keyconf, sta->aid);
-                kfree(keyconf);
-                ieee80211_key_free(sta->key);
-                sta->key = NULL;
-        }
-        spin_unlock_bh(&local->sta_lock);
-
-        memset(&key, 0, sizeof(key));
-        if (local->ops->set_key &&
-                    local->ops->set_key(local_to_hw(local), REMOVE_ALL_KEYS,
-                                       NULL, &key, 0))
-                printk(KERN_DEBUG "%s: failed to remove hwaccel keys\n",
-                       dev->name);
-
-        return 0;
-}
-
-
 static void ieee80211_key_enable_hwaccel(struct ieee80211_local *local,
                                          struct ieee80211_key *key)
 {
@@ -1227,10 +1171,6 @@ static int ieee80211_ioctl_prism2_param(struct net_device *dev,
                 local->next_mode = value;
                 break;
 
-        case PRISM2_PARAM_CLEAR_KEYS:
-                ret = ieee80211_ioctl_clear_keys(dev);
-                break;
-
         case PRISM2_PARAM_RADIO_ENABLED:
                 ret = ieee80211_ioctl_set_radio_enabled(dev, value);
                 break;