From: kernel test robot <lkp@xxxxxxxxx> drivers/char/tpm/tpm_ftpm_tee.c:180:8-9: WARNING: return of 0/1 in function 'ftpm_tee_tpm_req_canceled' with return type bool Return statements in functions returning bool should use true/false instead of 1/0. Generated by: scripts/coccinelle/misc/boolreturn.cocci Fixes: 09e574831b27 ("tpm/tpm_ftpm_tee: A driver for firmware TPM running inside TEE") CC: Sasha Levin <sashal@xxxxxxxxxx> Signed-off-by: kernel test robot <lkp@xxxxxxxxx> --- tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 23ee3e4e5bd27bdbc0f1785eef7209ce872794c7 commit: 09e574831b277a3f77d78ceadd08a3859a84fdb3 tpm/tpm_ftpm_tee: A driver for firmware TPM running inside TEE tpm_ftpm_tee.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/char/tpm/tpm_ftpm_tee.c +++ b/drivers/char/tpm/tpm_ftpm_tee.c @@ -177,7 +177,7 @@ static u8 ftpm_tee_tpm_op_status(struct static bool ftpm_tee_tpm_req_canceled(struct tpm_chip *chip, u8 status) { - return 0; + return false; } static const struct tpm_class_ops ftpm_tee_tpm_ops = {