[PATCH 2/4] Rework ipic_init() so we can avoid freeing the irq_host

[Michael Ellerman]

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 at ellerman.id.au>
---
 arch/powerpc/sysdev/ipic.c |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)

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 ipic * __init ipic_init(struct device_node *node, unsigned int flags)
 	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 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
 		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;
-- 
1.5.5