Since kmem caches are allocated before init_IRQ as noted in 3af259d155
(powerpc: Radix trees are available before init_IRQ), we now call
kmalloc in all cases and can can always call kfree if we are asked
to allocate a duplicate or conflicting IRQ_HOST_MAP_LEGACY host.
Signed-off-by: Milton Miller <milt...@bga.com>
Index: work.git/arch/powerpc/kernel/irq.c
===================================================================
--- work.git.orig/arch/powerpc/kernel/irq.c 2011-05-19 05:51:25.715500763
-0500
+++ work.git/arch/powerpc/kernel/irq.c 2011-05-19 05:57:30.776503350 -0500
@@ -557,15 +557,8 @@ struct irq_host *irq_alloc_host(struct d
if (revmap_type == IRQ_HOST_MAP_LEGACY) {
if (irq_map[0].host != NULL) {
raw_spin_unlock_irqrestore(&irq_big_lock, flags);
- /* If we are early boot, we can't free the structure,
- * too bad...
- * this will be fixed once slab is made available early
- * instead of the current cruft
- */
- if (mem_init_done) {
- of_node_put(host->of_node);
- kfree(host);
- }
+ of_node_put(host->of_node);
+ kfree(host);
return NULL;
}
irq_map[0].host = host;
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