mac80211: silently accept deletion of non-existant key

Otherwise, 'iwconfig wlan0 key off' with no key set results in:

	Error for wireless request "Set Encode" (8B2A) :
	    SET failed on device wlan0 ; No such file or directory.

Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index 5af23d3..b047eeb 100644 (file)
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -55,9 +55,6 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
                        key = sta->key;
                }
 
-               if (!key)
-                       return -ENOENT;
-
                ieee80211_key_free(key);
                return 0;
        } else {