From: Greg Kroah-Hartman Date: Wed, 8 Feb 2012 23:11:17 +0000 (-0800) Subject: driver-core: cpu: fix kobject warning when hotplugging a cpu X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=29bb5d4fd3140a7d5d02d858118c74a45f15c296;p=~shefty%2Frdma-dev.git driver-core: cpu: fix kobject warning when hotplugging a cpu 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 Tested-by: Konrad Rzeszutek Wilk Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 23f2c4cd48d..4dabf5077c4 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -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;