Unverified Commit 8d1d3b03 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11260 ACPI: EC: Abort address space access upon error 

Merge Pull Request from: @ci-robot 
 
PR sync from: liwei <liwei728@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/AMTCTTJ73CEBO4SCO73SV6NPZBQBENCE/ 
 
https://gitee.com/openeuler/kernel/issues/IAMXCL 
 
Link:https://gitee.com/openeuler/kernel/pulls/11260

 

Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Reviewed-by: default avatarXiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents fa2a561e 2da98a44

drivers/acpi/ec.c

+4 −1
Original line number Diff line number Diff line
@@ -1330,10 +1330,13 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, 
	if (ec->busy_polling || bits > 8)

		acpi_ec_burst_enable(ec);



	for (i = 0; i < bytes; ++i, ++address, ++value)

	for (i = 0; i < bytes; ++i, ++address, ++value) {

		result = (function == ACPI_READ) ?

			acpi_ec_read(ec, address, value) :

			acpi_ec_write(ec, address, *value);

		if (result < 0)

			break;

	}



	if (ec->busy_polling || bits > 8)

		acpi_ec_burst_disable(ec);