aboutsummaryrefslogtreecommitdiff
path: root/drivers/xen
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/xen-acpi-processor.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c
index 7ff2569e17ae..b590ee067fcd 100644
--- a/drivers/xen/xen-acpi-processor.c
+++ b/drivers/xen/xen-acpi-processor.c
@@ -520,15 +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: