Unverified Commit d07e4530 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!7911 ACPI: LPIT: Avoid u32 multiplication overflow 

Merge Pull Request from: @ci-robot 
 
PR sync from: Xiongfeng Wang <wangxiongfeng2@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/BMF5DB35757TNZQJIRCJMOHK7C5DGUZA/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9Q9HZ 
 
Link:https://gitee.com/openeuler/kernel/pulls/7911

 

Reviewed-by: default avatarWei Li <liwei391@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 7491c2f5 0bed9f33

drivers/acpi/acpi_lpit.c

+1 −1
Original line number Diff line number Diff line
@@ -98,7 +98,7 @@ static void lpit_update_residency(struct lpit_residency_info *info, 
				 struct acpi_lpit_native *lpit_native)

{

	info->frequency = lpit_native->counter_frequency ?

				lpit_native->counter_frequency : tsc_khz * 1000;

				lpit_native->counter_frequency : mul_u32_u32(tsc_khz, 1000U);

	if (!info->frequency)

		info->frequency = 1;