tpm2_tlcl: Use signed integer for tpm2_marshal_command return value
commited75b279a334e3a2c41ef179d7f4dbb8200445fb
authorDuncan Laurie <dlaurie@google.com>
Fri, 15 Jul 2016 11:51:45 +0000 (15 04:51 -0700)
committerMartin Roth <martinroth@google.com>
Wed, 20 Jul 2016 15:08:52 +0000 (20 17:08 +0200)
tree10c9387dd07faef85eeaee0afc36b6182b0c32c0
parentb0672402ecedc7c8ca2e634437c603d73aebf471
tpm2_tlcl: Use signed integer for tpm2_marshal_command return value

The tpm2_marshal_command() function returns a negative value on error,
so we must use a signed type for the return value.

This was found by the coverity scan:
https://scan.coverity.com/projects/coreboot?tab=overview
CID:1357675
CID:1357676

Change-Id: I56d2ce7d52b9b70e43378c13c66b55ac2948f218
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Found-by: Coverity Scan
Reviewed-on: https://review.coreboot.org/15717
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
src/lib/tpm2_tlcl.c