From c24108a8c82f625d05f569bc0accf17d9995c7aa Mon Sep 17 00:00:00 2001
From: Ron Eldor <Ron.Eldor@arm.com>
Date: Sun, 24 Jun 2018 16:34:15 +0300
Subject: [PATCH] Fix style issue

Add space before and after paranthesis.
---
 programs/pkey/key_app.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/programs/pkey/key_app.c b/programs/pkey/key_app.c
index 7aa7651f8..96c6b70e8 100644
--- a/programs/pkey/key_app.c
+++ b/programs/pkey/key_app.c
@@ -266,8 +266,11 @@ int main( int argc, char *argv[] )
 cleanup:
 
 #if defined(MBEDTLS_ERROR_C)
-    mbedtls_strerror( ret, buf, sizeof(buf) );
-    mbedtls_printf( "  !  Last error was: %s\n", buf );
+    if( ret != 0 )
+    {
+        mbedtls_strerror( ret, buf, sizeof( buf ) );
+        mbedtls_printf( "  !  Last error was: %s\n", buf );
+    }
 #endif
 
     mbedtls_pk_free( &pk );