From 987984482d46a71d9a9efca9ab4117b0343561d5 Mon Sep 17 00:00:00 2001
From: Gilles Peskine <Gilles.Peskine@arm.com>
Date: Tue, 3 Aug 2021 13:15:04 +0200
Subject: [PATCH] Fix printf format signedness error

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
---
 programs/x509/load_roots.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/programs/x509/load_roots.c b/programs/x509/load_roots.c
index 7e52957d8a..8570a0e62a 100644
--- a/programs/x509/load_roots.c
+++ b/programs/x509/load_roots.c
@@ -115,7 +115,8 @@ int read_certificates( const char *const *filenames )
         if( ret != 0 )
         {
             mbedtls_strerror( ret, error_message, sizeof( error_message ) );
-            printf( "\n%s: -0x%04x (%s)\n", *cur, -ret, error_message );
+            printf( "\n%s: -0x%04x (%s)\n",
+                    *cur, (unsigned) -ret, error_message );
             goto exit;
         }
     }