[POWERPC] Check for NULL ppc_md.init_IRQ() before calling
Check to make sure ppc_md.init_IRQ has been set before calling it.
Signed-off-by: Sonny Rao <sonny@burdell.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index a335156..2fc8786 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -336,7 +336,8 @@
void __init init_IRQ(void)
{
- ppc_md.init_IRQ();
+ if (ppc_md.init_IRQ)
+ ppc_md.init_IRQ();
#ifdef CONFIG_PPC64
irq_ctx_init();
#endif