powerpc: Rework ipic_init() so we can avoid freeing the irq_host
If we do the call to of_address_to_resource() first, then we don't
need to worry about freeing the irq_host (which the code doesn't do
currently anyway).
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index 0f2dfb0..f95d10b 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -725,6 +725,10 @@
struct resource res;
u32 temp = 0, ret;
+ ret = of_address_to_resource(node, 0, &res);
+ if (ret)
+ return NULL;
+
ipic = alloc_bootmem(sizeof(struct ipic));
if (ipic == NULL)
return NULL;
@@ -739,12 +743,6 @@
return NULL;
}
- ret = of_address_to_resource(node, 0, &res);
- if (ret) {
- of_node_put(node);
- return NULL;
- }
-
ipic->regs = ioremap(res.start, res.end - res.start + 1);
ipic->irqhost->host_data = ipic;
