[PATCH 4/4] driver core: cpu: use put_device() if device_register fail

[Arvind Yadav]

if device_register() returned an error! Always use put_device()
to give up the reference initialized.

Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com>
---
 drivers/base/cpu.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index d21a2d9..2da998b 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -382,8 +382,10 @@ int register_cpu(struct cpu *cpu, int num)
        if (cpu->hotpluggable)
                cpu->dev.groups = hotplugable_cpu_attr_groups;
        error = device_register(&cpu->dev);
-       if (error)
+       if (error) {
+               put_device(&cpu->dev);
                return error;
+       }
 
        per_cpu(cpu_sys_devices, num) = &cpu->dev;
        register_cpu_under_node(num, cpu_to_node(num));
-- 
2.7.4