Clear OpenSSL errors on EC_KEY_get0_private_key failures

diff --git a/lib/dns/opensslecdsa_link.c b/lib/dns/opensslecdsa_link.c
index 02728b91e81216162fdc2a3ffce3c03c998d5f9c..19596dbd131497d9600ce0f6c75f498c8c7fa028 100644 (file)
--- a/lib/dns/opensslecdsa_link.c
+++ b/lib/dns/opensslecdsa_link.c
@@ -563,6 +563,7 @@ opensslecdsa_extract_private_key(const dst_key_t *key, unsigned char *buf,
 
        privkey = EC_KEY_get0_private_key(eckey);
        if (privkey == NULL) {
+               ERR_clear_error();
                return (false);
        }