X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fmac80211%2Fdebugfs_key.c;h=19efc3a6a9327cfd343ab5e62de2a993ec6821bf;hb=9db8ee3d96e98705ba4e9260815ca326b0d07741;hp=879e7210458ad3ae8965b0d8cc7211cd614a83c2;hpb=135cedad7457be6a96d5e151dfd48f7888a75e94;p=linux-2.6

diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 879e721045..19efc3a6a9 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -255,14 +255,23 @@ void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
 void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
 {
 	char buf[50];
+	struct ieee80211_key *key;
 
 	if (!sdata->debugfsdir)
 		return;
 
-	sprintf(buf, "../keys/%d", sdata->default_key->debugfs.cnt);
-	sdata->debugfs.default_key =
-		debugfs_create_symlink("default_key", sdata->debugfsdir, buf);
+	/* this is running under the key lock */
+
+	key = sdata->default_key;
+	if (key) {
+		sprintf(buf, "../keys/%d", key->debugfs.cnt);
+		sdata->debugfs.default_key =
+			debugfs_create_symlink("default_key",
+					       sdata->debugfsdir, buf);
+	} else
+		ieee80211_debugfs_key_remove_default(sdata);
 }
+
 void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
 {
 	if (!sdata)