Arnd Bergmann <arnd@xxxxxxxx> writes:
> On Tuesday, July 19, 2016 11:46:04 AM CEST Jes Sorensen wrote:
>> > diff --git a/drivers/staging/rtl8192e/rtl819x_TSProc.c b/drivers/staging/rtl8192e/rtl819x_TSProc.c
>> > index 2c8a526773ed..e0a2fe5e6148 100644
>> > --- a/drivers/staging/rtl8192e/rtl819x_TSProc.c
>> > +++ b/drivers/staging/rtl8192e/rtl819x_TSProc.c
>> > @@ -323,7 +323,7 @@ bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS,
>> > if (ieee->current_network.qos_data.supported == 0) {
>> > UP = 0;
>> > } else {
>> > - if (!IsACValid(TID)) {
>> > + if (!IsACValid((s8)TID)) {
>> > netdev_warn(ieee->dev, "%s(): TID(%d) is not valid\n",
>> > __func__, TID);
>> > return false;
>>
>> TID is a 4-bit field, it should never go negative. The cast to s8 seems
>> wrong to me, if anything it should be using u8. I do realize the macro
>> IsACValid checks against negative too, but that just looks silly to me.
>
> Ok, I'll remove the extra comparison then to avoid the warning:
>
> staging/rtl8192e/rtl819x_TSProc.c:326:14: error: comparison is always
> true due to limited range of data type [-Werror=type-limits]
>
> I guess it should be a separate patch. I had just stumbled over the
> same thing before resending the patch but decided not to change it
> to keep the patch simple.
I think that would be better, albeit not a big issue. I'd like to get
rid of all the drivers/staging/rtl* drivers eventually :)
Cheers,
Jes
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