On Tue, Feb 19, 2019 at 12:35:32PM +0200, Jarkko Sakkinen wrote: > On Tue, Feb 19, 2019 at 05:15:47PM +0800, YueHaibing wrote: > > On 2019/2/19 16:59, Jarkko Sakkinen wrote: > > > On Tue, Feb 19, 2019 at 03:26:18PM +0800, YueHaibing wrote: > > >> calc_tpm2_event_size return size of the event which type is > > >> size_t, If it is an invalid event, returns 0. And all the > > >> caller use a size_t variable to check the return value, so > > >> no need to convert to the return value type to int. > > >> > > >> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> > > > > > > I don't see this patch make any value. > > > > calc_tpm2_event_size return size_t 'size' which derive from u32 'event_field->event_size', > > > > convert it to int may result in truncation. > > Two remarks: > > - Your real name is formatted incorrectly. It should be like "Yue Haibig" > as shown in [1]. > - If there is no actual regression, this change is useless. Clarity of the code is a laudible goal - not everything is about fixing bugs or adding features. It is much easier to write the code properly than to try and prove that event_size can not exceed INT_MAX. Jason