ncpfs: don't bother with EBUSY on removal of busy directories

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index 26910c8..0765ad1 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -891,6 +891,10 @@
 	if (!server)	/* How this could happen? */
 		goto out;
 
+	result = -EPERM;
+	if (IS_DEADDIR(dentry->d_inode))
+		goto out;
+
 	/* ageing the dentry to force validation */
 	ncp_age_dentry(server, dentry);