keymgmt: fix coverity 1484886 unchecked return value

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/15300)

diff --git a/providers/implementations/keymgmt/ec_kmgmt.c b/providers/implementations/keymgmt/ec_kmgmt.c
index 2673619ef4875f27df987c3655a151b981f1f907..e901275ce2169c6b284c4a9b543d2a6aca4d624e 100644 (file)
--- a/providers/implementations/keymgmt/ec_kmgmt.c
+++ b/providers/implementations/keymgmt/ec_kmgmt.c
@@ -255,9 +255,10 @@ int otherparams_to_params(const EC_KEY *ec, OSSL_PARAM_BLD *tmpl,
                                              name))
         return 0;
 
-    if ((EC_KEY_get_enc_flags(ec) & EC_PKEY_NO_PUBKEY) != 0)
-        ossl_param_build_set_int(tmpl, params,
-                                 OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, 0);
+    if ((EC_KEY_get_enc_flags(ec) & EC_PKEY_NO_PUBKEY) != 0
+            && !ossl_param_build_set_int(tmpl, params,
+                                         OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, 0))
+        return 0;
 
     ecdh_cofactor_mode =
         (EC_KEY_get_flags(ec) & EC_FLAG_COFACTOR_ECDH) ? 1 : 0;