mips: lantiq: falcon: Fix refcount leak bug in sysctrl

In ltq_soc_init(), of_find_compatible_node() 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 <windhl@126.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

diff --git a/arch/mips/lantiq/falcon/sysctrl.c b/arch/mips/lantiq/falcon/sysctrl.c
index 5204fc6..1187729 100644 (file)
--- a/arch/mips/lantiq/falcon/sysctrl.c
+++ b/arch/mips/lantiq/falcon/sysctrl.c
@@ -208,6 +208,12 @@ void __init ltq_soc_init(void)
                        of_address_to_resource(np_sysgpe, 0, &res_sys[2]))
                panic("Failed to get core resources");
 
+       of_node_put(np_status);
+       of_node_put(np_ebu);
+       of_node_put(np_sys1);
+       of_node_put(np_syseth);
+       of_node_put(np_sysgpe);
+
        if ((request_mem_region(res_status.start, resource_size(&res_status),
                                res_status.name) < 0) ||
                (request_mem_region(res_ebu.start, resource_size(&res_ebu),