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authorHanjun Guo <hanjun.guo@linaro.org>2015-05-11 12:17:15 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-05-13 23:28:15 +0200
commitc867d83855a6c50ac1a33960c9d50a77ff636f64 (patch)
tree028c69aafae4887a16de24440e263cc1db77492e /drivers/xen
parent16eac059a6800f640423b7b6e2e9fc7091bad102 (diff)
downloadlinux-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.c8
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 */