[PATCH] of: of_reserved_mem: Provide return values

From: Fabio Estevam <redacted>

Commit 1a29544cc8c9 ("drivers: of: add return value to 
of_reserved_mem_device_init") missed to update the return values in the error
cases, causing the following build warnings:

drivers/of/of_reserved_mem.c: In function 'of_reserved_mem_device_init':
drivers/of/of_reserved_mem.c:253:3: warning: 'return' with no value, in function returning non-void [-Wreturn-type]
drivers/of/of_reserved_mem.c:259:3: warning: 'return' with no value, in function returning non-void [-Wreturn-type]

Provide proper return values. 

Reported-by: Stephen Rothwel <redacted>
Signed-off-by: Fabio Estevam <redacted>
---
 drivers/of/of_reserved_mem.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 7e7de03..01ef0a3 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c

@@ -250,13 +250,13 @@ int of_reserved_mem_device_init(struct device *dev)
 
 	np = of_parse_phandle(dev->of_node, "memory-region", 0);
 	if (!np)
-		return;
+		return -ENODEV;
 
 	rmem = __find_rmem(np);
 	of_node_put(np);
 
 	if (!rmem || !rmem->ops || !rmem->ops->device_init)
-		return;
+		return -ENOMEM;
 
 	rmem->ops->device_init(rmem, dev);
 	dev_info(dev, "assigned reserved memory node %s\n", rmem->name);

-- 
1.9.1

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