coreboot-mirror
/
vboot
mirror of https://review.coreboot.org/vboot.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Update a utility to support the new tpm sysfs class directory 

Kernel TPM patches from 4.x moved /sys/class/misc/tpm0 to /sys/class/tpm/tpm0.
Support both paths in this utility.

BUG=chromium:573368
BRANCH=none
TEST=untested, not sure if this utility is still used.

Change-Id: Ib81476eee4c9de921502a3a47f6990b9e6b1968b
Reviewed-on: https://chromium-review.googlesource.com/320892
Commit-Ready: Bryan Freed <bfreed@chromium.org>
Tested-by: Bryan Freed <bfreed@chromium.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
This commit is contained in:
Bryan Freed 2016-01-07 09:11:58 -08:00 committed by chrome-bot
parent 58cb8c532b
commit fd2b02abbf
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
utility/tpm-dad-lock
View File

@ -7,7 +7,11 @@
# Attempt to trigger the TPM Dictionary Attack Defense Lock and measure its
# behavior.
owned=$(cat /sys/class/misc/tpm0/device/owned)
if [ -f /sys/class/misc/tpm0/device/owned ]; then
owned=$(cat /sys/class/misc/tpm0/device/owned)
else
owned=$(cat /sys/class/tpm/tpm0/device/owned)
fi
if [ "$owned" = "" ]; then
echo "TPM is not functional"
exit 1