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driver-core: cpu: fix kobject warning when hotplugging a cpu

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Due to the sysdev conversion to struct device, the cpu objects get
reused when adding a cpu after offlining it, which causes a big warning
that the kobject portion is not properly initialized.

So clear out the object before we register it again, so all is quiet.

Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2012-02-08 15:11:17 -08:00
parent 15f5113671
commit 29bb5d4fd3
1 changed files with 1 additions and 0 deletions
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drivers/base/cpu.c
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@ -240,6 +240,7 @@ int __cpuinit register_cpu(struct cpu *cpu, int num)
int error;
cpu->node_id = cpu_to_node(num);
memset(&cpu->dev, 0x00, sizeof(struct device));
cpu->dev.id = num;
cpu->dev.bus = &cpu_subsys;
cpu->dev.release = cpu_device_release;