stefanberger / libtpms / 1150 / 2
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coverage: 76.316% (-0.007%) from 76.323%
CONFIG="--with-openssl --prefix=/usr --with-tpm2 --enable-test-coverage" TARGET="install" NPROC="nproc"

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Stefan Berger 
tpm12: Initialize some variables for gcc-5 ppc64el compiler

The -O3 passed to the ppc64el gcc-5 compiler on Ubuntu 16.04 causes
the following false positives:

gcc-5 -DHAVE_CONFIG_H -I. -I.. -include tpm_library_conf.h -I../include/libtpms -I../include/libtpms -fstack-protector-strong -DTPM_V12 -DTPM_PCCLIENT -DTPM_VOLATILE_LOAD -DTPM_ENABLE_ACTIVATE -DTPM_AES -DTPM_LIBTPMS_CALLBACKS -DTPM_NV_DISK -DTPM_POSIX -DTPM_NOMAINTENANCE_COMMANDS -g -O3 -fstack-protector-strong -DUSE_OPENSSL_FUNCTIONS_SYMMETRIC=1 -DUSE_OPENSSL_FUNCTIONS_EC=1 -DUSE_OPENSSL_FUNCTIONS_ECDSA=0 -DUSE_OPENSSL_FUNCTIONS_RSA=0 -Wall -Werror -Wreturn-type -Wsign-compare -Wno-self-assign -MT tpm12/libtpms_tpm12_la-tpm_session.lo -MD -MP -MF tpm12/.deps/libtpms_tpm12_la-tpm_session.Tpo -c tpm12/tpm_session.c -o tpm12/libtpms_tpm12_la-tpm_session.o
tpm12/tpm_session.c: In function ‘TPM_Process_SaveContext’:
tpm12/tpm_session.c:3056:16: error: ‘contextIndex’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
     uint32_t   contextIndex;  /* free index in context list */
                ^
tpm12/tpm_session.c: In function ‘TPM_Process_SaveAuthContext’:
tpm12/tpm_session.c:4934:16: error: ‘contextIndex’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
     uint32_t   contextIndex;  /* free index in context list */
                ^

This patch initializes these variables to 0.

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

27505 of 36041 relevant lines covered (76.32%)

82388.29 hits per line

Source Files on job 1150.2 (CONFIG="--with-openssl --prefix=/usr --with-tpm2 --enable-test-coverage" TARGET="install" NPROC="nproc")