group->a = BN_new();
group->b = BN_new();
- if (!group->field || !group->a || !group->b) {
+ if (group->field == NULL || group->a == NULL || group->b == NULL) {
BN_free(group->field);
BN_free(group->a);
BN_free(group->b);
point->Y = BN_new();
point->Z = BN_new();
- if (!point->X || !point->Y || !point->Z) {
+ if (point->X == NULL || point->Y == NULL || point->Z == NULL) {
BN_free(point->X);
BN_free(point->Y);
BN_free(point->Z);