From: Xiaochun Lee Date: Wed, 2 Aug 2023 13:47:46 +0000 (+0800) Subject: ACPI: extlog: Fix finding the generic error data for v3 structure X-Git-Tag: v6.6-rc1~180^2~2^4 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ae769fbd143d9f9349387f27bb4f36d2ba5b45df;p=thirdparty%2Fkernel%2Flinux.git ACPI: extlog: Fix finding the generic error data for v3 structure Fix by using acpi_hest_get_payload() to find out the correct generic error data for v3 structure. The revision v300 generic error data is different from the old one, so for compatibility with old and new version, change to a new interface to locate the right memory error section that was defined in CPER. Signed-off-by: Xiaochun Lee Reviewed-by: Tony Luck Signed-off-by: Rafael J. Wysocki --- diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c index e648158368a7d..e120a96e1eaee 100644 --- a/drivers/acpi/acpi_extlog.c +++ b/drivers/acpi/acpi_extlog.c @@ -172,7 +172,7 @@ static int extlog_print(struct notifier_block *nb, unsigned long val, fru_text = ""; sec_type = (guid_t *)gdata->section_type; if (guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) { - struct cper_sec_mem_err *mem = (void *)(gdata + 1); + struct cper_sec_mem_err *mem = acpi_hest_get_payload(gdata); if (gdata->error_data_length >= sizeof(*mem)) trace_extlog_mem_event(mem, err_seq, fru_id, fru_text,