diff options
Diffstat (limited to 'src/drivers/mrc_cache')
| -rw-r--r-- | src/drivers/mrc_cache/mrc_cache.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/src/drivers/mrc_cache/mrc_cache.c b/src/drivers/mrc_cache/mrc_cache.c index 1bbb426b5d..3b98dbaa63 100644 --- a/src/drivers/mrc_cache/mrc_cache.c +++ b/src/drivers/mrc_cache/mrc_cache.c @@ -193,19 +193,20 @@ static int mrc_data_valid(int type, const struct mrc_metadata *md, if (md->data_size != data_size) return -1; - checksum = compute_ip_checksum(data, data_size); + hash_idx = cr->tpm_hash_index; + if (hash_idx && CONFIG(MRC_SAVE_HASH_IN_TPM)) { + if (!mrc_cache_verify_hash(hash_idx, data, data_size)) + return -1; + } else { + checksum = compute_ip_checksum(data, data_size); - if (md->data_checksum != checksum) { - printk(BIOS_ERR, "MRC: data checksum mismatch: %x vs %x\n", - md->data_checksum, checksum); - return -1; + if (md->data_checksum != checksum) { + printk(BIOS_ERR, "MRC: data checksum mismatch: %x vs %x\n", + md->data_checksum, checksum); + return -1; + } } - hash_idx = cr->tpm_hash_index; - if (hash_idx && CONFIG(MRC_SAVE_HASH_IN_TPM) && - !mrc_cache_verify_hash(hash_idx, data, data_size)) - return -1; - return 0; } |