When searching ACPI object for TPM device, it should match current ACPI object name instead of the full path. Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx> --- drivers/char/tpm/tpm_ppi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c index e1f3337..1e9cc11 100644 --- a/drivers/char/tpm/tpm_ppi.c +++ b/drivers/char/tpm/tpm_ppi.c @@ -30,7 +30,7 @@ static acpi_status ppi_callback(acpi_handle handle, u32 level, void *context, acpi_status status = AE_OK; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer))) { + if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer))) { if (strstr(buffer.pointer, context) != NULL) { *return_value = handle; status = AE_CTRL_TERMINATE; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html