Re: [PATCH V1 resend] err.h: add (missing) unlikely() to IS_ERR_OR_NULL()

From: Viresh Kumar
Date: Fri Nov 13 2015 - 03:24:00 EST


On 29-10-15, 07:57, Viresh Kumar wrote:
> On 13-10-15, 13:57, Viresh Kumar wrote:
> > IS_ERR_VALUE() already contains it and so we need to add this only to
> > the !ptr check. That will allow users of IS_ERR_OR_NULL(), to not add
> > this compiler flag.
> >
> > Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> > ---
> > @Jiri: You have applied all other patches, but this one. Can you please
> > apply this one as well, as all others were applied based on the
> > assumption that this one is applied. :)
> >
> > include/linux/err.h | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/include/linux/err.h b/include/linux/err.h
> > index a729120644d5..56762ab41713 100644
> > --- a/include/linux/err.h
> > +++ b/include/linux/err.h
> > @@ -37,7 +37,7 @@ static inline bool __must_check IS_ERR(__force const void *ptr)
> >
> > static inline bool __must_check IS_ERR_OR_NULL(__force const void *ptr)
> > {
> > - return !ptr || IS_ERR_VALUE((unsigned long)ptr);
> > + return unlikely(!ptr) || IS_ERR_VALUE((unsigned long)ptr);
> > }
>
> Ping !!

Another Ping !!

--
viresh
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