From 9a2114ca574658fd200d0e966ebf7064e531dc8f Mon Sep 17 00:00:00 2001
From: Gilles Peskine <Gilles.Peskine@arm.com>
Date: Fri, 30 Jul 2021 13:01:52 +0200
Subject: [PATCH] load_roots: properly error out on an invalid option

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
---
 programs/x509/load_roots.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/programs/x509/load_roots.c b/programs/x509/load_roots.c
index 2dff95175..7e52957d8 100644
--- a/programs/x509/load_roots.c
+++ b/programs/x509/load_roots.c
@@ -168,7 +168,11 @@ int main( int argc, char *argv[] )
             opt.iterations = atoi( q ) != 0;
         }
         else
+        {
             mbedtls_printf( "Unknown option: %s\n", p );
+            mbedtls_printf( USAGE );
+            goto exit;
+        }
     }
 
     opt.filenames = (const char**) argv + i;