Unverified Commit b5213571 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12087 arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry 

Merge Pull Request from: @ci-robot 
 
PR sync from: Heyuan Wang <wangheyuan2@h-partners.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/LVGNJM2BHYQ2HIKYPYC3NGNHS3HW4MSK/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAU9OA 
 
Link:https://gitee.com/openeuler/kernel/pulls/12087

 

Reviewed-by: default avatarXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 0fac4b66 f4327bad

arch/arm64/include/asm/acpi.h

+2 −1
Original line number Diff line number Diff line
@@ -124,7 +124,8 @@ static inline int get_cpu_for_acpi_id(u32 uid) 
	int cpu;



	for (cpu = 0; cpu < nr_cpu_ids; cpu++)

		if (uid == get_acpi_id_for_cpu(cpu))

		if (acpi_cpu_get_madt_gicc(cpu) &&

		    uid == get_acpi_id_for_cpu(cpu))

			return cpu;



	return -EINVAL;