[PATCH] powerpc: 8xx: Fix refcount leak bug in tqm8xx_setup

[Liang He]

In init_ioports(), of_find_node_by_name() will return a node pointer
with refcount incremented. We should use of_node_put() when it is not
used anymore.

Signed-off-by: Liang He <win...@126.com>
---
 arch/powerpc/platforms/8xx/tqm8xx_setup.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/powerpc/platforms/8xx/tqm8xx_setup.c 
b/arch/powerpc/platforms/8xx/tqm8xx_setup.c
index 3725d51248df..ffcfd17a5fa3 100644
--- a/arch/powerpc/platforms/8xx/tqm8xx_setup.c
+++ b/arch/powerpc/platforms/8xx/tqm8xx_setup.c
@@ -105,6 +105,9 @@ static void __init init_ioports(void)
        if (dnode == NULL)
                return;
        prop = of_find_property(dnode, "ethernet1", &len);
+
+       of_node_put(dnode);
+
        if (prop == NULL)
                return;
 
-- 
2.25.1