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path: root/drivers/xen/xen-acpi-processor.c
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Diffstat (limited to 'drivers/xen/xen-acpi-processor.c')
-rw-r--r--drivers/xen/xen-acpi-processor.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c
index 0b48579a9cd6..b590ee067fcd 100644
--- a/drivers/xen/xen-acpi-processor.c
+++ b/drivers/xen/xen-acpi-processor.c
@@ -29,6 +29,7 @@
#include <acpi/acpi_drivers.h>
#include <acpi/processor.h>
+#include <xen/xen.h>
#include <xen/interface/platform.h>
#include <asm/xen/hypercall.h>
@@ -519,15 +520,18 @@ static int __init xen_acpi_processor_init(void)
if (!pr_backup) {
pr_backup = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
- memcpy(pr_backup, _pr, sizeof(struct acpi_processor));
+ if (pr_backup)
+ memcpy(pr_backup, _pr, sizeof(struct acpi_processor));
}
(void)upload_pm_data(_pr);
}
rc = check_acpi_ids(pr_backup);
- if (rc)
- goto err_unregister;
kfree(pr_backup);
+ pr_backup = NULL;
+
+ if (rc)
+ goto err_unregister;
return 0;
err_unregister: