From: Yue Haibing <yuehaibing@xxxxxxxxxx> commit b9d0a85d6b2e76630cfd4c475ee3af4109bfd87a upstream calc_tpm2_event_size() has an invalid signature because it returns a 'size_t' where as its signature says that it returns 'int'. Cc: <stable@xxxxxxxxxxxxxxx> Fixes: 4d23cc323cdb ("tpm: add securityfs support for TPM 2.0 firmware event log") Suggested-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> Signed-off-by: Yue Haibing <yuehaibing@xxxxxxxxxx> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> Signed-off-by: James Morris <james.morris@xxxxxxxxxxxxx> --- for v5.0 and v4.19 stable fixed compilation issue fixed upstream commit ID drivers/char/tpm/eventlog/tpm2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/char/tpm/eventlog/tpm2.c b/drivers/char/tpm/eventlog/tpm2.c index 1b8fa9de2cac..41b9f6c92da7 100644 --- a/drivers/char/tpm/eventlog/tpm2.c +++ b/drivers/char/tpm/eventlog/tpm2.c @@ -37,8 +37,8 @@ * * Returns size of the event. If it is an invalid event, returns 0. */ -static int calc_tpm2_event_size(struct tcg_pcr_event2 *event, - struct tcg_pcr_event *event_header) +static size_t calc_tpm2_event_size(struct tcg_pcr_event2 *event, + struct tcg_pcr_event *event_header) { struct tcg_efi_specid_event *efispecid; struct tcg_event_field *event_field; -- 2.20.1