From: Stefan Berger <stefanb@us.ibm.com>
Date: Tue, 17 Nov 2015 15:55:40 +0000 (-0500)
Subject: tpm: fix compiler warning with older gcc versions
X-Git-Tag: rel-1.10.0~163
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=dc8eb671325599f9222b48a3297e584c84d7c3ba;p=seabios.git

tpm: fix compiler warning with older gcc versions

gcc v3.4 shows a warning due to "comparison is always false due to
limited range of data type". This patch fixes it.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
---

diff --git a/src/hw/tpm_drivers.h b/src/hw/tpm_drivers.h
index 34bb12d..48c6615 100644
--- a/src/hw/tpm_drivers.h
+++ b/src/hw/tpm_drivers.h
@@ -34,7 +34,7 @@ extern struct tpm_driver tpm_drivers[];
 #define TIS_DRIVER_IDX       0
 #define TPM_NUM_DRIVERS      1
 
-#define TPM_INVALID_DRIVER  -1
+#define TPM_INVALID_DRIVER   0xf
 
 /* TIS driver */
 /* address of locality 0 (TIS) */