ecdsa_data = (ECDSA_DATA *)ecdsa_data_new();
if (ecdsa_data == NULL)
return NULL;
- EC_KEY_insert_key_method_data(key, (void *)ecdsa_data,
- ecdsa_data_dup, ecdsa_data_free, ecdsa_data_free);
+ data = EC_KEY_insert_key_method_data(key, (void *)ecdsa_data,
+ ecdsa_data_dup, ecdsa_data_free, ecdsa_data_free);
+ if (data != NULL)
+ {
+ /* Another thread raced us to install the key_method
+ * data and won. */
+ ecdsa_data_free(ecdsa_data);
+ ecdsa_data = (ECDSA_DATA *)data;
+ }
}
else
ecdsa_data = (ECDSA_DATA *)data;