Hi Roberto, > chip->allocated_banks contains the list of TPM algorithm IDs of allocated > PCR banks. It also contains the corresponding ID of the crypto subsystem, > so that users of the TPM driver can calculate a digest for a PCR extend > operation. > However, if there is no mapping between TPM algorithm ID and crypto ID, the > crypto_id field in chip->allocated_banks remains set to zero (the array is > allocated and initialized with kcalloc() in tpm2_get_pcr_allocation()). > Zero should not be used as value for unknown mappings, as it is a valid > crypto ID (HASH_ALGO_MD4). > This patch initializes crypto_id to HASH_ALGO__LAST. Make sense. Reviewed-by: Petr Vorel <pvorel@xxxxxxx> Kind regards, Petr
