+static void ide_port_free_devices(ide_hwif_t *hwif)
+{
+ ide_drive_t *drive;
+ int i;
+
+ ide_port_for_each_dev(i, drive, hwif)
+ kfree(drive);
+}
+
+static int ide_port_alloc_devices(ide_hwif_t *hwif, int node)
+{
+ int i;
+
+ for (i = 0; i < MAX_DRIVES; i++) {
+ ide_drive_t *drive;
+
+ drive = kzalloc_node(sizeof(*drive), GFP_KERNEL, node);
+ if (drive == NULL)
+ goto out_nomem;
+
+ hwif->devices[i] = drive;
+ }
+ return 0;
+
+out_nomem:
+ ide_port_free_devices(hwif);
+ return -ENOMEM;
+}
+