[PATCH] arm: add missing of_node_put()

From: Yangtao Li
Date: Tue Nov 20 2018 - 09:01:15 EST


use of_node_put() to release the refcount.

Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
---
arch/arm/kernel/devtree.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index e3057c1b55b9..9576adf0d15b 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -101,7 +101,7 @@ void __init arm_dt_init_cpu_maps(void)
if (!cell || prop_bytes < sizeof(*cell)) {
pr_debug(" * %pOF missing reg property\n", cpu);
of_node_put(cpu);
- return;
+ goto out;
}

/*
@@ -115,7 +115,7 @@ void __init arm_dt_init_cpu_maps(void)

if (prop_bytes || (hwid & ~MPIDR_HWID_BITMASK)) {
of_node_put(cpu);
- return;
+ goto out;
}

/*
@@ -129,7 +129,7 @@ void __init arm_dt_init_cpu_maps(void)
if (WARN(tmp_map[j] == hwid,
"Duplicate /cpu reg properties in the DT\n")) {
of_node_put(cpu);
- return;
+ goto out;
}

/*
@@ -171,7 +171,7 @@ void __init arm_dt_init_cpu_maps(void)

if (!bootcpu_valid) {
pr_warn("DT missing boot CPU MPIDR[23:0], fall back to default cpu_logical_map\n");
- return;
+ goto out;
}

/*
@@ -184,6 +184,8 @@ void __init arm_dt_init_cpu_maps(void)
cpu_logical_map(i) = tmp_map[i];
pr_debug("cpu logical map 0x%x\n", cpu_logical_map(i));
}
+out:
+ of_node_put(cpus);
}

bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
--
2.17.0