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| author | Hanjun Guo <hanjun.guo@linaro.org> | 2015-05-11 12:17:15 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-05-13 23:28:15 +0200 |
| commit | c867d83855a6c50ac1a33960c9d50a77ff636f64 (patch) | |
| tree | 028c69aafae4887a16de24440e263cc1db77492e /drivers/xen | |
| parent | 16eac059a6800f640423b7b6e2e9fc7091bad102 (diff) | |
| download | linux-c867d83855a6c50ac1a33960c9d50a77ff636f64.tar.bz2 | |
Xen / ACPI / processor: Remove unneeded NULL check
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 <hanjun.guo@linaro.org>
CC: Boris Ostrovsky <boris.ostrovsky@oracle.com>
CC: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/xen-acpi-cpuhotplug.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/xen/xen-acpi-cpuhotplug.c b/drivers/xen/xen-acpi-cpuhotplug.c index 5a62aa007d4a..f4a369429553 100644 --- a/drivers/xen/xen-acpi-cpuhotplug.c +++ b/drivers/xen/xen-acpi-cpuhotplug.c @@ -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 */ |