From 7e09e42472d21155e11cfe4839c31e85260d6b9d Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Fri, 15 Oct 2021 19:06:15 +0100
Subject: [PATCH] freertos: no need to freak out if service_adjust_to is 0

If lws_s_a_t() is zero, there's a path where n stays -1 from its
declaration and we return -1.
---
 lib/plat/freertos/freertos-service.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/plat/freertos/freertos-service.c b/lib/plat/freertos/freertos-service.c
index 3c60d0bd2..0732be8bb 100644
--- a/lib/plat/freertos/freertos-service.c
+++ b/lib/plat/freertos/freertos-service.c
@@ -102,6 +102,7 @@ _lws_plat_service_tsi(struct lws_context *context, int timeout_ms, int tsi)
 	 * is there anybody with pending stuff that needs service forcing?
 	 */
 again:
+	n = 0;
 	if (lws_service_adjust_timeout(context, 1, tsi)) {
 
 		a = 0;