commit cf9ab63863468621ef742c7eef7fb6e7d08c806f
author Manuel Pégourié-Gonnard <mpg2@elzevir.fr> Thu Aug 27 22:03:33 2015 +0200
committer Manuel Pégourié-Gonnard <mpg2@elzevir.fr> Mon Aug 31 10:34:27 2015 +0200
tree e7a2c09b1b3f5346b0c83cc6573aa5b50086877f
parent ce7a08ba4980c7f57db0ac1ef9a4737e97a3faef

Fix error reporting in pkey/pk_* programs

programs/pkey/pk_sign.c

diff --git a/programs/pkey/pk_sign.c b/programs/pkey/pk_sign.c
index 82be0cf..ce25209 100644
--- a/programs/pkey/pk_sign.c
+++ b/programs/pkey/pk_sign.c
@@ -156,8 +156,11 @@
     mbedtls_entropy_free( &entropy );
 
 #if defined(MBEDTLS_ERROR_C)
-    mbedtls_strerror( ret, (char *) buf, sizeof(buf) );
-    mbedtls_printf( "  !  Last error was: %s\n", buf );
+    if( ret != 0 )
+    {
+        mbedtls_strerror( ret, (char *) buf, sizeof(buf) );
+        mbedtls_printf( "  !  Last error was: %s\n", buf );
+    }
 #endif
 
 #if defined(_WIN32)