From f70a81976129e6cf5a1480d3000e26ff1deccf44 Mon Sep 17 00:00:00 2001
From: dongyou <dongyou@espressif.com>
Date: Tue, 20 Oct 2020 16:26:12 +0800
Subject: [PATCH] WIFI: Iperf example's parameter opt was uninitialized, may
 leads setsockoption invalide if it equal to 0

---
 examples/wifi/iperf/components/iperf/iperf.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/examples/wifi/iperf/components/iperf/iperf.c b/examples/wifi/iperf/components/iperf/iperf.c
index 3e729d8f3d..5ee304671d 100644
--- a/examples/wifi/iperf/components/iperf/iperf.c
+++ b/examples/wifi/iperf/components/iperf/iperf.c
@@ -135,7 +135,7 @@ static esp_err_t IRAM_ATTR iperf_run_tcp_server(void)
     int listen_socket;
     struct timeval t;
     int sockfd;
-    int opt;
+    int opt = 1;
 
     listen_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
     if (listen_socket < 0) {
@@ -206,7 +206,7 @@ static esp_err_t IRAM_ATTR iperf_run_udp_server(void)
     int want_recv = 0;
     uint8_t *buffer;
     int sockfd;
-    int opt;
+    int opt = 1;
     bool udp_recv_start = true ;
     
     sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
@@ -264,7 +264,7 @@ static esp_err_t iperf_run_udp_client(void)
     int want_send = 0;
     uint8_t *buffer;
     int sockfd;
-    int opt;
+    int opt = 1;
     int err;
     int id;