ecryptfs: ->lower_path.dentry is never NULL

... on anything found via ->d_fsdata
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/ecryptfs/dentry.c

@@ -81,8 +81,7 @@ static void ecryptfs_d_release(struct dentry *dentry)
 {
 	struct ecryptfs_dentry_info *p = dentry->d_fsdata;
 	if (p) {
-		if (p->lower_path.dentry)
-			path_put(&p->lower_path);
+		path_put(&p->lower_path);
 		call_rcu(&p->rcu, ecryptfs_dentry_free_rcu);
 	}
 }