From 4f419e55a1e48f856cee77d6d72c145fb8aa6196 Mon Sep 17 00:00:00 2001
From: Przemyslaw Stekiel <przemyslaw.stekiel@mobica.com>
Date: Thu, 10 Feb 2022 15:56:26 +0100
Subject: [PATCH] ssl_tls13_write_key_share_ext: initialize key_exchange_len
 (compiler warning)

Signed-off-by: Przemyslaw Stekiel <przemyslaw.stekiel@mobica.com>
---
 library/ssl_tls13_client.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index f1a21daf2..80ea06433 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -309,7 +309,7 @@ static int ssl_tls13_write_key_share_ext( mbedtls_ssl_context *ssl,
         /* Pointer to group */
         unsigned char *group = p;
         /* Length of key_exchange */
-        size_t key_exchange_len;
+        size_t key_exchange_len = 0;
 
         /* Check there is space for header of KeyShareEntry
          * - group                  (2 bytes)