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driver core: cpu: use put_device() if device_register fail

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

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arvind Yadav 2018-03-11 11:25:51 +05:30 committed by Greg Kroah-Hartman
parent c1cc0d5114
commit 3aaba245df
1 changed files with 3 additions and 1 deletions
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4
drivers/base/cpu.c
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@ -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));