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From f3f78c72a5b6ef42119188ac5af73bb3a0a8bbba Mon Sep 17 00:00:00 2001
From: Stefan Berger <stefanb@linux.vnet.ibm.com>
Date: Tue, 12 May 2020 13:41:53 -0400
Subject: [PATCH] tpm2: Fix a gcc 10.1.0 complaint
This PR addresses issue 133: https://github.com/stefanberger/libtpms/issues/133
bin/sh ../libtool --tag=CC --mode=compile x86_64-pc-linux-gnu-gcc \
-DHAVE_CONFIG_H -I. -I.. -include tpm_library_conf.h \
-I../include/libtpms -I../include/libtpms -fstack-protector-strong \
-D_POSIX_ -DTPM_POSIX -DTPM_LIBTPMS_CALLBACKS -I ./tpm2 \
-I ./tpm2/crypto -I ./tpm2/crypto/openssl -g -O2 \
-DUSE_OPENSSL_FUNCTIONS_SYMMETRIC=1 -DUSE_OPENSSL_FUNCTIONS_EC=1 \
-DUSE_OPENSSL_FUNCTIONS_ECDSA=1 -DUSE_OPENSSL_FUNCTIONS_RSA=1 \
-Wall -Werror -Wreturn-type -Wsign-compare -Wno-self-assign \
-c -o tpm2/libtpms_tpm2_la-NVDynamic.lo `test -f 'tpm2/NVDynamic.c' \
|| echo './'`tpm2/NVDynamic.c
libtool: compile: x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. \
-I.. -include tpm_library_conf.h -I../include/libtpms \
-I../include/libtpms -fstack-protector-strong -D_POSIX_ -DTPM_POSIX \
-DTPM_LIBTPMS_CALLBACKS -I ./tpm2 -I ./tpm2/crypto \
-I ./tpm2/crypto/openssl -g -O2 -DUSE_OPENSSL_FUNCTIONS_SYMMETRIC=1 \
-DUSE_OPENSSL_FUNCTIONS_EC=1 -DUSE_OPENSSL_FUNCTIONS_ECDSA=1 \
-DUSE_OPENSSL_FUNCTIONS_RSA=1 -Wall -Werror -Wreturn-type -Wsign-compare \
-Wno-self-assign -c tpm2/NVDynamic.c -fPIC -DPIC \
-o tpm2/.libs/libtpms_tpm2_la-NVDynamic.o
tpm2/NVDynamic.c: In function ?NvNextByType?:
tpm2/NVDynamic.c:126:10: error: ?nvHandle? may be used uninitialized in this function [-Werror=maybe-uninitialized]
126 | *handle = nvHandle;
| ~~~~~~~~^~~~~~~~~~
tpm2/NVDynamic.c: At top level:
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
---
src/tpm2/NVDynamic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/tpm2/NVDynamic.c b/src/tpm2/NVDynamic.c
index 32f46bb..4381658 100644
--- a/src/tpm2/NVDynamic.c
+++ b/src/tpm2/NVDynamic.c
@@ -114,7 +114,7 @@ NvNextByType(
)
{
NV_REF addr;
- TPM_HANDLE nvHandle;
+ TPM_HANDLE nvHandle = 0; // libtpms changed: gcc 10.1.0 complaint
while((addr = NvNext(iter, &nvHandle)) != 0)
{
// addr: the address of the location containing the handle of the value
--
2.26.2
|
