From 3a69b1d94f3f2d2608486f42f59804cd955ed639 Mon Sep 17 00:00:00 2001
From: Nicklas Frahm <nicklas.frahm@gmail.com>
Date: Sat, 12 Mar 2022 12:27:30 +0100
Subject: [PATCH] esp_http_client: fix redirect by resetting location before
 parsing

Closes #8563.

Signed-off-by: Nicklas Frahm <nicklas.frahm@gmail.com>
---
 components/esp_http_client/esp_http_client.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/components/esp_http_client/esp_http_client.c b/components/esp_http_client/esp_http_client.c
index 24aab489b6..c9fa4bd47b 100644
--- a/components/esp_http_client/esp_http_client.c
+++ b/components/esp_http_client/esp_http_client.c
@@ -527,6 +527,10 @@ static esp_err_t esp_http_client_prepare(esp_http_client_handle_t client)
     client->process_again = 0;
     client->response->data_process = 0;
     client->first_line_prepared = false;
+    if (client->location != NULL) {
+        free(client->location);
+        client->location = NULL;
+    }
     http_parser_init(client->parser, HTTP_RESPONSE);
     if (client->connection_info.username) {
         char *auth_response = NULL;