jamal wrote:
> for (i = 0; i <= xfrm_state_hmask; i++) {
> hlist_for_each_entry(x, entry, xfrm_state_bydst+i, bydst) {
> + if (count && send_x != last_x) {
> + err = func(send_x, count, data);
> + if (err)
> + goto out;
> + send_x = NULL;
> + }
> if (!xfrm_id_proto_match(x->id.proto, proto))
> continue;
After you sent send_x and set it to NULL, it will be different from
last_x (since that is != NULL) and the NULL pointer will be given
to func() when continuing here.
> - err = func(x, --count, data);
> - if (err)
> - goto out;
> +
> + if (!count) {
> + last_x = send_x = x;
> + } else {
> + send_x = last_x;
> + last_x = x;
> + }
> + count++;
> }
> }
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