From: Ruan Jinjie <ruanjinjie@huawei.com>
Date: Tue, 15 Aug 2023 09:24:34 +0000 (+0800)
Subject: xen: Switch to use kmemdup() helper
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=71281ec9c82608c42d6841a75ced97aecd4274be;p=linux.git

xen: Switch to use kmemdup() helper

Use kmemdup() helper instead of open-coding to
simplify the code.

Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Chen Jiahao <chenjiahao16@huawei.com>
Link: https://lore.kernel.org/r/20230815092434.1206386-1-ruanjinjie@huawei.com
Signed-off-by: Juergen Gross <jgross@suse.com>
---

diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c
index 9cb61db67efde..2967039398463 100644
--- a/drivers/xen/xen-acpi-processor.c
+++ b/drivers/xen/xen-acpi-processor.c
@@ -473,11 +473,8 @@ static int xen_upload_processor_pm_data(void)
 		if (!_pr)
 			continue;
 
-		if (!pr_backup) {
-			pr_backup = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
-			if (pr_backup)
-				memcpy(pr_backup, _pr, sizeof(struct acpi_processor));
-		}
+		if (!pr_backup)
+			pr_backup = kmemdup(_pr, sizeof(*_pr), GFP_KERNEL);
 		(void)upload_pm_data(_pr);
 	}