Re: [PATCH] drivers: staging: rtl8188eu: include: wifi: Unnecessary do-while removed from macro

From: Greg KH
Date: Sun Jan 15 2017 - 05:56:52 EST


On Sun, Jan 15, 2017 at 01:08:15AM +0530, Kartikey Singh wrote:
> On Sat, Jan 14, 2017 at 07:38:01PM +0100, Greg KH wrote:
> > On Sat, Jan 14, 2017 at 11:53:36PM +0530, Kartikey Singh wrote:
> > > do while loop removed from single statement macro
> > >
> > > Signed-off-by: Kartikey Singh <dr.kartikeynrc@xxxxxxxxx>
> > > ---
> > > drivers/staging/rtl8188eu/include/wifi.h | 4 +---
> > > 1 file changed, 1 insertion(+), 3 deletions(-)
> > >
> > > diff --git a/drivers/staging/rtl8188eu/include/wifi.h b/drivers/staging/rtl8188eu/include/wifi.h
> > > index 9e08e68..57db709 100644
> > > --- a/drivers/staging/rtl8188eu/include/wifi.h
> > > +++ b/drivers/staging/rtl8188eu/include/wifi.h
> > > @@ -481,9 +481,7 @@ static inline int IsFrameTypeCtrl(unsigned char *pframe)
> > > ------------------------------------------------------------------------------*/
> > >
> > > #define SetOrderBit(pbuf) \
> > > - do { \
> > > - *(unsigned short *)(pbuf) |= cpu_to_le16(_ORDER_); \
> > > - } while (0)
> > > + (*(unsigned short *)(pbuf) |= cpu_to_le16(_ORDER_))
> >
> > This macro is never used, so it could just be removed, right?
> >
> > > #define GetOrderBit(pbuf) \
> > > (((*(unsigned short *)(pbuf)) & le16_to_cpu(_ORDER_)) != 0)
> >
> > Same with that one. Care to do that type of fixup instead please?
> >
> > thanks,
> >
> > greg k-h
> I think that macro is needed.

I don't see it being used anywhere, do you?