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Xen / ACPI / processor: Remove unneeded NULL check

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Before xen_acpi_processor_enable() is called, struct acpi_processor *pr is
allocated in xen_acpi_processor_add() and checked if it's NULL, so no need
to check again when passed to xen_acpi_processor_enable(), just remove it.

Signed-off-by: Hanjun Guo <[email protected]>
CC: Boris Ostrovsky <[email protected]>
CC: Stefano Stabellini <[email protected]>
Reviewed-by: Konrad Rzeszutek Wilk <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Hanjun Guo 2015-05-11 12:17:15 +08:00 • committed by Rafael J. Wysocki
commit c867d83855
1 changed files with 1 additions and 7 deletions
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8
drivers/xen/xen-acpi-cpuhotplug.c
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@ -46,13 +46,7 @@ static int xen_acpi_processor_enable(struct acpi_device *device)
unsigned long long value;
union acpi_object object = { 0 };
struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
struct acpi_processor *pr;
pr = acpi_driver_data(device);
if (!pr) {
pr_err(PREFIX "Cannot find driver data\n");
return -EINVAL;
}
struct acpi_processor *pr = acpi_driver_data(device);
if (!strcmp(acpi_device_hid(device), ACPI_PROCESSOR_OBJECT_HID)) {
/* Declared with "Processor" statement; match ProcessorID */