[PATCH] arm64: spin-table: add missing of_node_put()

[Masahiro Yamada]

Since of_get_cpu_node() increments refcount, the node should be put.

Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---

 arch/arm64/kernel/smp_spin_table.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/kernel/smp_spin_table.c 
b/arch/arm64/kernel/smp_spin_table.c
index aef3605..18a71bc 100644
--- a/arch/arm64/kernel/smp_spin_table.c
+++ b/arch/arm64/kernel/smp_spin_table.c
@@ -52,6 +52,7 @@ static void write_pen_release(u64 val)
 static int smp_spin_table_cpu_init(unsigned int cpu)
 {
        struct device_node *dn;
+       int ret;
 
        dn = of_get_cpu_node(cpu, NULL);
        if (!dn)
@@ -60,15 +61,15 @@ static int smp_spin_table_cpu_init(unsigned int cpu)
        /*
         * Determine the address from which the CPU is polling.
         */
-       if (of_property_read_u64(dn, "cpu-release-addr",
-                                &cpu_release_addr[cpu])) {
+       ret = of_property_read_u64(dn, "cpu-release-addr",
+                                  &cpu_release_addr[cpu]);
+       if (ret)
                pr_err("CPU %d: missing or invalid cpu-release-addr property\n",
                       cpu);
 
-               return -1;
-       }
+       of_node_put(dn);
 
-       return 0;
+       return ret;
 }
 
 static int smp_spin_table_cpu_prepare(unsigned int cpu)
-- 
1.9.1