[coreboot-gerrit] Change in coreboot[master]: tpm/tpm_setup: fail on invalid result from tlcl_resume
Joel Kitching (Code Review)
gerrit at coreboot.org
Wed Sep 26 12:09:25 CEST 2018
Joel Kitching has uploaded this change for review. ( https://review.coreboot.org/28748
Change subject: tpm/tpm_setup: fail on invalid result from tlcl_resume
......................................................................
tpm/tpm_setup: fail on invalid result from tlcl_resume
BUG=b:114018226
TEST=None
Change-Id: I8f5df2b0119d35e4000fe62bf1bba6ca07f925f3
Signed-off-by: Joel Kitching <kitching at google.com>
---
M src/security/tpm/tspi/tspi.c
1 file changed, 17 insertions(+), 3 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/48/28748/1
diff --git a/src/security/tpm/tspi/tspi.c b/src/security/tpm/tspi/tspi.c
index 950e930..7782943 100644
--- a/src/security/tpm/tspi/tspi.c
+++ b/src/security/tpm/tspi/tspi.c
@@ -100,10 +100,24 @@
/* Handle special init for S3 resume path */
if (s3flag) {
result = tlcl_resume();
- if (result == TPM_E_INVALID_POSTINIT)
- printk(BIOS_INFO, "TPM: Already initialized.\n");
+ switch (result) {
+ case TPM_SUCCESS:
+ break;
- return TPM_SUCCESS;
+ case TPM_E_INVALID_POSTINIT:
+ /*
+ * We're on a platform where the TPM maintains power
+ * in S3, so it's already initialized.
+ */
+ printk(BIOS_INFO, "TPM: Already initialized.\n");
+ result = TPM_SUCCESS;
+ break;
+
+ default:
+ printk(BIOS_ERR, "TPM: Resume failed.\n");
+ break;
+
+ goto out;
}
result = tlcl_startup();
--
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I8f5df2b0119d35e4000fe62bf1bba6ca07f925f3
Gerrit-Change-Number: 28748
Gerrit-PatchSet: 1
Gerrit-Owner: Joel Kitching <kitching at google.com>
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