Add missing return code check on calls to mbedtls_md()
diff --git a/tests/suites/test_suite_ecdsa.function b/tests/suites/test_suite_ecdsa.function
index 0e7283b..2844bea 100644
--- a/tests/suites/test_suite_ecdsa.function
+++ b/tests/suites/test_suite_ecdsa.function
@@ -527,7 +527,9 @@
TEST_ASSERT( md_info != NULL );
hlen = mbedtls_md_get_size( md_info );
- mbedtls_md( md_info, (const unsigned char *) msg, strlen( msg ), hash );
+ TEST_ASSERT( mbedtls_md( md_info,
+ (const unsigned char *) msg, strlen( msg ),
+ hash ) == 0 );
mbedtls_ecp_set_max_ops( max_ops );