From c76136cd0de548a2b8a2fc9c8efd2466d0922319 Mon Sep 17 00:00:00 2001
From: Luigi Semenzato <semenzato@chromium.org>
Date: Thu, 23 Jun 2011 16:17:50 -0700
Subject: [PATCH] Produce better error message when TPM device cannot be
 opened.

BUG=chromium-os:16925
TEST=run "tpmc getvf" before stopping tcsd and observe that the error message no longer says "forgot to call TlclLibInit()"

Change-Id: I867c010c07286c0aa4cec49dda60524de1c2bec1
Reviewed-on: http://gerrit.chromium.org/gerrit/3147
Tested-by: Luigi Semenzato <semenzato@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
---
 firmware/stub/tpm_lite_stub.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/firmware/stub/tpm_lite_stub.c b/firmware/stub/tpm_lite_stub.c
index c1ef88b8bd..ddb5d222db 100644
--- a/firmware/stub/tpm_lite_stub.c
+++ b/firmware/stub/tpm_lite_stub.c
@@ -126,9 +126,7 @@ uint32_t TlclOpenDevice(void) {
 
   tpm_fd = open(device_path, O_RDWR);
   if (tpm_fd < 0) {
-    VBDEBUG(("TPM: Cannot open TPM device %s: %s\n", device_path,
-             strerror(errno)));
-    return TPM_E_IOERROR;
+    error("TPM: Cannot open TPM device %s: %s\n", device_path, strerror(errno));
   }
 
   return 0;