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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>
This commit is contained in:
Ruan Jinjie 2023-08-15 17:24:34 +08:00 committed by Juergen Gross
parent 3e0d473dcb
commit 71281ec9c8
1 changed files with 2 additions and 5 deletions
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7
drivers/xen/xen-acpi-processor.c
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@ -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);
}