From 7edad280360df0c85d0d38c0d31074111c26e8fc Mon Sep 17 00:00:00 2001
From: Benjamin Kier <benjamin.kier@legrand.us>
Date: Thu, 30 May 2019 14:49:17 -0400
Subject: [PATCH] Fixed possibly undefined variable warnings by initializing
 variables to 0.

---
 library/entropy.c   | 2 +-
 library/hmac_drbg.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/library/entropy.c b/library/entropy.c
index f8db1a5503..ac7e9051f1 100644
--- a/library/entropy.c
+++ b/library/entropy.c
@@ -258,7 +258,7 @@ int mbedtls_entropy_update_manual( mbedtls_entropy_context *ctx,
  */
 static int entropy_gather_internal( mbedtls_entropy_context *ctx )
 {
-    int ret, i, have_one_strong = 0;
+    int ret = 0, i, have_one_strong = 0;
     unsigned char buf[MBEDTLS_ENTROPY_MAX_GATHER];
     size_t olen;
 
diff --git a/library/hmac_drbg.c b/library/hmac_drbg.c
index 50d88bd54b..edecc6e124 100644
--- a/library/hmac_drbg.c
+++ b/library/hmac_drbg.c
@@ -74,7 +74,7 @@ int mbedtls_hmac_drbg_update_ret( mbedtls_hmac_drbg_context *ctx,
     unsigned char rounds = ( additional != NULL && add_len != 0 ) ? 2 : 1;
     unsigned char sep[1];
     unsigned char K[MBEDTLS_MD_MAX_SIZE];
-    int ret;
+    int ret = 0;
 
     for( sep[0] = 0; sep[0] < rounds; sep[0]++ )
     {