From efc9f4b702f44854193d015b72831b4530258aaf Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 30 Oct 2012 00:00:23 +0100
Subject: [PATCH] ustream: mark notify_read cb as optional

---
 ustream.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ustream.h b/ustream.h
index d9f98b7..634a3e7 100644
--- a/ustream.h
+++ b/ustream.h
@@ -52,7 +52,7 @@ struct ustream {
 	struct ustream *next;
 
 	/*
-	 * notify_read:
+	 * notify_read: (optional)
 	 * called by the ustream core to notify that new data is available
 	 * for reading.
 	 * must not free the ustream from this callback