The radix tree retry logic got a bit of an overhaul and subsequently
broke the virtual IRQ subgroup build. Simply switch over to
radix_tree_deref_retry() as per the filemap changes, which the virq
lookup logic was modelled after in the first place.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
                entry = radix_tree_deref_slot((void **)entries[i]);
                if (unlikely(!entry))
                        continue;
-               if (unlikely(entry == RADIX_TREE_RETRY))
+               if (radix_tree_deref_retry(entry))
                        goto restart;
 
                irq = create_irq();