 void ahci_uninit(AHCIState *s)
 {
    int i, j;

    for (i = 0; i < s->ports; i++) {
        AHCIDevice *ad = &s->dev[i];

        for (j = 0; j < 2; j++) {
            IDEState *s = &ad->port.ifs[j];

            ide_exit(s);
        }
    }

     g_free(s->dev);
 }

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.