From 98218bd6b7485667accd36d12cc89a3f716addc4 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Fri, 28 Apr 2017 11:53:28 +0800
Subject: [PATCH] esp32: return random count

---
 lib/lws-plat-esp32.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/lws-plat-esp32.c b/lib/lws-plat-esp32.c
index c00c933..1f58945 100644
--- a/lib/lws-plat-esp32.c
+++ b/lib/lws-plat-esp32.c
@@ -39,6 +39,7 @@ LWS_VISIBLE int
 lws_get_random(struct lws_context *context, void *buf, int len)
 {
 	uint8_t *pb = buf;
+
 	while (len) {
 		uint32_t r = esp_random();
 		uint8_t *p = (uint8_t *)&r;
@@ -53,7 +54,7 @@ lws_get_random(struct lws_context *context, void *buf, int len)
 			*pb++ = p[b];
 	}
 
-	return 0;
+	return pb - (uint8_t *)buf;
 }
 
 LWS_VISIBLE int
-- 
2.7.4