From: Tianjia Zhang <[email protected]> commit 29cb79795e324a8b65e7891d76f8f6ca911ba440 upstream.
For the algorithm that does not match the bank, a positive value EINVAL is returned here. I think this is a typo error. It is necessary to return an error value. Cc: [email protected] # 5.4.x Fixes: 9f75c8224631 ("KEYS: trusted: correctly initialize digests and fix locking issue") Signed-off-by: Tianjia Zhang <[email protected]> Reviewed-by: Roberto Sassu <[email protected]> Reviewed-by: Jerry Snitselaar <[email protected]> Reviewed-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/char/tpm/tpm-interface.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -322,7 +322,7 @@ int tpm_pcr_extend(struct tpm_chip *chip for (i = 0; i < chip->nr_allocated_banks; i++) { if (digests[i].alg_id != chip->allocated_banks[i].alg_id) { - rc = EINVAL; + rc = -EINVAL; goto out; } }

