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authorNeilBrown <neilb@suse.de>2012-08-01 20:40:02 +1000
committerNeilBrown <neilb@suse.de>2012-08-01 20:40:02 +1000
commitbb181e2e48f8c85db08c9cb015cbba9618dbf05c (patch)
tree191bc24dd97bcb174535cc217af082f16da3b43d /drivers/xen/xen-acpi-processor.c
parentd57368afe63b3b7b45ce6c2b8c5276417935be2f (diff)
parentc039c332f23e794deb6d6f37b9f07ff3b27fb2cf (diff)
downloadlinux-bb181e2e48f8c85db08c9cb015cbba9618dbf05c.tar.bz2
Merge commit 'c039c332f23e794deb6d6f37b9f07ff3b27fb2cf' into md
Pull in pre-requisites for adding raid10 support to dm-raid.
Diffstat (limited to 'drivers/xen/xen-acpi-processor.c')
-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: