Re: [PATCH] Remove Unnecessary typecast of c90 int constant

From: jovial umwari
Date: Fri Oct 28 2022 - 03:43:08 EST


let me again look in deep into it and see why
Thank you for the comment

On Fri, 28 Oct 2022 at 10:22, Julia Lawall <julia.lawall@xxxxxxxx> wrote:
>
>
>
> On Fri, 28 Oct 2022, UMWARI JOVIAL wrote:
>
> > According to Linux kernel coding style.
> >
> > Reported by checkpatch:
> > WARNING: Unnecessary typecast of c90 int constant - '(int)2.412e8' could be '2.412e8'
> > WARNING: Unnecessary typecast of c90 int constant - '(int)2.487e8' could be '2.487e8'
>
> It's not ideal to just include the checkpatch messges verbatim in your log
> message. It woudl be better to say what you are doing and why, in
> complete sentences ("According to the Linux coding style" is not a
> complete sentence).
>
> I also suspect that the checkpatch message is wrong. Floating point
> numbers cannot be used in the kernel, and the case of the constant ensures
> that the value will be converted to an integer at compile time.
>
> julia
>
> >
> > Signed-off-by: UMWARI JOVIAL <umwarijovial@xxxxxxxxx>
> > ---
> > drivers/staging/rtl8192e/rtllib_softmac_wx.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/staging/rtl8192e/rtllib_softmac_wx.c b/drivers/staging/rtl8192e/rtllib_softmac_wx.c
> > index fdf867a5dd7a..4fc4fb25d8d6 100644
> > --- a/drivers/staging/rtl8192e/rtllib_softmac_wx.c
> > +++ b/drivers/staging/rtl8192e/rtllib_softmac_wx.c
> > @@ -41,8 +41,8 @@ int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a,
> >
> > /* if setting by freq convert to channel */
> > if (fwrq->e == 1) {
> > - if ((fwrq->m >= (int)2.412e8 &&
> > - fwrq->m <= (int)2.487e8)) {
> > + if ((fwrq->m >= 2.412e8 &&
> > + fwrq->m <= 2.487e8)) {
> > int f = fwrq->m / 100000;
> > int c = 0;
> >
> > --
> > 2.25.1
> >
> >
> >