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Merge tpm 2018/12/04 v1

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Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2018-12-04-1' into staging

Merge tpm 2018/12/04 v1

# gpg: Signature made Tue 04 Dec 2018 15:25:52 GMT
# gpg:                using RSA key 75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* remotes/stefanberger/tags/pull-tpm-2018-12-04-1:
  tpm: Make sure the locality received from backend is valid
  tpm: Make sure new locality passed to tpm_tis_prep_abort() is valid
  tpm: Remove unused locty parameter from tpm_tis_abort()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-12-13 09:27:30 +00:00
commit 41d8452d6b
1 changed files with 8 additions and 4 deletions
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12
hw/tpm/tpm_tis.c
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@ -233,7 +233,7 @@ static void tpm_tis_new_active_locality(TPMState *s, uint8_t new_active_locty)
}
/* abort -- this function switches the locality */
static void tpm_tis_abort(TPMState *s, uint8_t locty)
static void tpm_tis_abort(TPMState *s)
{
s->rw_offset = 0;
@ -263,7 +263,9 @@ static void tpm_tis_prep_abort(TPMState *s, uint8_t locty, uint8_t newlocty)
{
uint8_t busy_locty;
s->aborting_locty = locty;
assert(TPM_TIS_IS_VALID_LOCTY(newlocty));
s->aborting_locty = locty; /* may also be TPM_TIS_NO_LOCALITY */
s->next_locty = newlocty; /* locality after successful abort */
/*
@ -281,7 +283,7 @@ static void tpm_tis_prep_abort(TPMState *s, uint8_t locty, uint8_t newlocty)
}
}
tpm_tis_abort(s, locty);
tpm_tis_abort(s);
}
/*
@ -293,6 +295,8 @@ static void tpm_tis_request_completed(TPMIf *ti, int ret)
uint8_t locty = s->cmd.locty;
uint8_t l;
assert(TPM_TIS_IS_VALID_LOCTY(locty));
if (s->cmd.selftest_done) {
for (l = 0; l < TPM_TIS_NUM_LOCALITIES; l++) {
s->loc[l].sts |= TPM_TIS_STS_SELFTEST_DONE;
@ -311,7 +315,7 @@ static void tpm_tis_request_completed(TPMIf *ti, int ret)
}
if (TPM_TIS_IS_VALID_LOCTY(s->next_locty)) {
tpm_tis_abort(s, locty);
tpm_tis_abort(s);
}
tpm_tis_raise_irq(s, locty,