cpuidle / ACPI: fix potential NULL pointer dereference
The dereference should be moved below the NULL test. dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
parent
f5a246eab9
commit
e8b1b59dc8
|
@ -1132,7 +1132,7 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr)
|
|||
int acpi_processor_hotplug(struct acpi_processor *pr)
|
||||
{
|
||||
int ret = 0;
|
||||
struct cpuidle_device *dev = per_cpu(acpi_cpuidle_device, pr->id);
|
||||
struct cpuidle_device *dev;
|
||||
|
||||
if (disabled_by_idle_boot_param())
|
||||
return 0;
|
||||
|
@ -1147,6 +1147,7 @@ int acpi_processor_hotplug(struct acpi_processor *pr)
|
|||
if (!pr->flags.power_setup_done)
|
||||
return -ENODEV;
|
||||
|
||||
dev = per_cpu(acpi_cpuidle_device, pr->id);
|
||||
cpuidle_pause_and_lock();
|
||||
cpuidle_disable_device(dev);
|
||||
acpi_processor_get_power_info(pr);
|
||||
|
|
Loading…
Reference in a new issue