X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fmac80211%2Fdebugfs_netdev.c;h=2ad504fc3414e19eb1b43cef909af2a68214de4b;hb=54074d59320581a6d7e4f4dd405e8cac1d174b75;hp=2a451562377608788b5e7ece2beac917320dca43;hpb=5fef06e8c8c52aa7170dbbb068aa996d83738d38;p=linux-2.6-omap-h63xx.git

diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 2a451562377..2ad504fc341 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -545,8 +545,12 @@ static int netdev_notify(struct notifier_block *nb,
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-	sprintf(buf, "netdev:%s", dev->name);
 	dir = sdata->debugfsdir;
+
+	if (!dir)
+		return 0;
+
+	sprintf(buf, "netdev:%s", dev->name);
 	if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
 		printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
 		       "dir to %s\n", buf);