Fix a logic flaw in test_mod_exp_zero

Due to the logic flaw, possible test failures
in this test case might be ignored.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19929)

diff --git a/test/exptest.c b/test/exptest.c
index dc27a5ddc01dd790e17c5c795d3371ab1f23cd68..b1c6f4bbe16617d72061ff15e2933c5b879c3102 100644 (file)
--- a/test/exptest.c
+++ b/test/exptest.c
@@ -49,7 +49,7 @@ static int test_mod_exp_zero(void)
     BIGNUM *r = NULL;
     BN_ULONG one_word = 1;
     BN_CTX *ctx = BN_CTX_new();
-    int ret = 1, failed = 0;
+    int ret = 0, failed = 0;
     BN_MONT_CTX *mont = NULL;
 
     if (!TEST_ptr(m = BN_new())