int rc;
DPRINTK("ENTER\n");
+
+ if (ent->irq == 0) {
+ dev_printk(KERN_ERR, dev, "is not available: No interrupt assigned.\n");
+ return 0;
+ }
/* alloc a container for our list of ATA ports (buses) */
host = kzalloc(sizeof(struct ata_host) +
(ent->n_ports * sizeof(void *)), GFP_KERNEL);