From cbe8dd5f11b3970135a4df6c068e2d50314eb345 Mon Sep 17 00:00:00 2001
From: Eric Blankenhorn <eric@wolfssl.com>
Date: Fri, 27 Feb 2026 10:57:58 -0600
Subject: [PATCH] Address FP warning from VS

---
 src/tls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tls.c b/src/tls.c
index 3388424dff..f9115bf016 100644
--- a/src/tls.c
+++ b/src/tls.c
@@ -1298,7 +1298,7 @@ int TLS_hmac(WOLFSSL* ssl, byte* digest, const byte* in, word32 sz, int padSz,
     /* Pre-compute sz + hashSz + padSz + 1 with overflow checking.
      * Used by fuzzer callback and Hmac_UpdateFinal* in the verify path. */
     if (verify && padSz >= 0) {
-        word32 hmacSz;
+        word32 hmacSz = 0;
         if (!WC_SAFE_SUM_WORD32(sz, hashSz, hmacSz) ||
             !WC_SAFE_SUM_WORD32(hmacSz, (word32)padSz, hmacSz) ||
             !WC_SAFE_SUM_WORD32(hmacSz, 1, hmacSz)) {