klist_iter_exit() only takes one parameter.
Also fix warning by adding additional brackets.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
        ** the GART code to handshake on.
        */
        klist_iter_init(&sba->dev.klist_children, &i);
-       while (dev = next_device(&i)) {
+       while ((dev = next_device(&i))) {
                struct parisc_device *lba = to_parisc_device(dev);
                if (IS_QUICKSILVER(lba))
                        agp_found = 1;
        }
-       klist_iter_exit(&sba->dev.klist_children, &i);
+       klist_iter_exit(&i);
 
        if (agp_found && sba_reserve_agpgart) {
                printk(KERN_INFO "%s: reserving %dMb of IOVA space for agpgart\n",