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List:       tpmdd-devel
Subject:    [tpmdd-devel] [RFC Patch v1 07/13] ACPI, TPM: matching node name instead of full path when searching
From:       Jiang Liu <jiang.liu () linux ! intel ! com>
Date:       2013-12-18 6:58:15
Message-ID: 1387349901-3391-8-git-send-email-jiang.liu () linux ! intel ! com
[Download RAW message or body]

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@linux.intel.com>
---
 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


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