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swtpm: Refactor existing function to use new tpmlib_get_cmd_ordinal()

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Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Stefan Berger 2022-05-30 10:47:12 -04:00 committed by Stefan Berger
parent 487892f2fc
commit 0ebe80466f
1 changed files with 3 additions and 6 deletions
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9
src/swtpm/tpmlib.c
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@ -169,15 +169,12 @@ uint32_t tpmlib_get_cmd_ordinal(const unsigned char *request, size_t req_len)
bool tpmlib_is_request_cancelable(TPMLIB_TPMVersion tpmversion,
const unsigned char *request, size_t req_len)
{
struct tpm_req_header *hdr;
uint32_t ordinal;
if (req_len < sizeof(struct tpm_req_header))
uint32_t ordinal = tpmlib_get_cmd_ordinal(request, req_len);
if (ordinal == TPM_ORDINAL_NONE)
return false;
hdr = (struct tpm_req_header *)request;
ordinal = be32toh(hdr->ordinal);
if (tpmversion == TPMLIB_TPM_VERSION_2)
return (ordinal == TPMLIB_TPM2_CC_CreatePrimary ||
ordinal == TPMLIB_TPM2_CC_Create);