From 3770d4c5811b4dea356fe6dcf9694dadaa93c6f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Kin=C4=8Dl?= <mkincl@ra.rockwell.com>
Date: Wed, 3 Mar 2021 21:20:33 +0100
Subject: [PATCH] Fixed CID 577295.

---
 wolfcrypt/src/wc_port.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/wolfcrypt/src/wc_port.c b/wolfcrypt/src/wc_port.c
index cc7022e14..99b3a4782 100644
--- a/wolfcrypt/src/wc_port.c
+++ b/wolfcrypt/src/wc_port.c
@@ -386,7 +386,10 @@ int wc_FileLoad(const char* fname, unsigned char** buf, size_t* bufLen,
         return BAD_PATH_ERROR;
     }
 
-    XFSEEK(f, 0, XSEEK_END);
+    if (XFSEEK(f, 0, XSEEK_END) != 0) {
+        WOLFSSL_MSG("wc_LoadFile file seek error");
+        return BAD_PATH_ERROR;
+    }
     fileSz = XFTELL(f);
     XREWIND(f);
     if (fileSz > 0) {