[PATCH] ARM: socfpga: Fix object reference leaks in socfpga_setup_ocram_self_refresh

[Huang Zijiang]

The of_find_device_by_node() takes a reference to the underlying device
structure, we should release that reference.

Signed-off-by: Huang Zijiang <huang.zijiang@xxxxxxxxxx>
---
 arch/arm/mach-socfpga/pm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-socfpga/pm.c b/arch/arm/mach-socfpga/pm.c
index d486678..8d7ca14 100644
--- a/arch/arm/mach-socfpga/pm.c
+++ b/arch/arm/mach-socfpga/pm.c
@@ -53,7 +53,7 @@ static int socfpga_setup_ocram_self_refresh(void)
 	if (!pdev) {
 		pr_warn("%s: failed to find ocram device!\n", __func__);
 		ret = -ENODEV;
-		goto put_node;
+		goto fail;
 	}
 
 	ocram_pool = gen_pool_get(&pdev->dev, NULL);
@@ -94,6 +94,9 @@ static int socfpga_setup_ocram_self_refresh(void)
 
 put_node:
 	of_node_put(np);
+	put_device(&np->dev);
+fail:
+	of_node_put(np);
 
 	return ret;
 }
-- 
1.8.3.1