diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/tpm-v2.c | 2 | ||||
| -rw-r--r-- | lib/tpm_api.c | 10 |
2 files changed, 8 insertions, 4 deletions
diff --git a/lib/tpm-v2.c b/lib/tpm-v2.c index 1bf627853a..6058f2e1e4 100644 --- a/lib/tpm-v2.c +++ b/lib/tpm-v2.c @@ -157,6 +157,8 @@ u32 tpm2_pcr_extend(struct udevice *dev, u32 index, u32 algorithm, }; int ret; + if (!digest) + return -EINVAL; /* * Fill the command structure starting from the first buffer: * - the digest diff --git a/lib/tpm_api.c b/lib/tpm_api.c index 032f383ca0..7e8df8795e 100644 --- a/lib/tpm_api.c +++ b/lib/tpm_api.c @@ -140,15 +140,17 @@ u32 tpm_write_lock(struct udevice *dev, u32 index) } u32 tpm_pcr_extend(struct udevice *dev, u32 index, const void *in_digest, - void *out_digest) + uint size, void *out_digest, const char *name) { - if (tpm_is_v1(dev)) + if (tpm_is_v1(dev)) { return tpm1_extend(dev, index, in_digest, out_digest); - else if (tpm_is_v2(dev)) + } else if (tpm_is_v2(dev)) { return tpm2_pcr_extend(dev, index, TPM2_ALG_SHA256, in_digest, TPM2_DIGEST_LEN); - else + /* @name is ignored as we do not support the TPM log here */ + } else { return -ENOSYS; + } } u32 tpm_pcr_read(struct udevice *dev, u32 index, void *data, size_t count) |