From 2617dee69f3176fe9fa774d4b13dae1c6420e4d1 Mon Sep 17 00:00:00 2001
From: Anurag Kar <anurag.kar@espressif.com>
Date: Fri, 28 Jun 2019 12:12:42 +0530
Subject: [PATCH] wifi_prov_mgr : Free memory allocated by cJSON_Print

---
 components/wifi_provisioning/src/manager.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/components/wifi_provisioning/src/manager.c b/components/wifi_provisioning/src/manager.c
index af7991fa76..41b998463c 100644
--- a/components/wifi_provisioning/src/manager.c
+++ b/components/wifi_provisioning/src/manager.c
@@ -284,7 +284,9 @@ static esp_err_t wifi_prov_mgr_start_service(const char *service_name, const cha
 
     /* Set version information / capabilities of provisioning service and application */
     cJSON *version_json = wifi_prov_get_info_json();
-    ret = protocomm_set_version(prov_ctx->pc, "proto-ver", cJSON_Print(version_json));
+    char *version_str = cJSON_Print(version_json);
+    ret = protocomm_set_version(prov_ctx->pc, "proto-ver", version_str);
+    free(version_str);
     cJSON_Delete(version_json);
     if (ret != ESP_OK) {
         ESP_LOGE(TAG, "Failed to set version endpoint");