Re: [PATCH V1 Resend 01/10] err.h: add (missing) unlikely() to IS_ERR_OR_NULL()
From: Viresh Kumar
Date: Wed Oct 07 2015 - 06:35:56 EST
Hi Jiri,
On 12-08-15, 15:59, 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>
> ---
> 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);
> }
Thanks for applying rest of the patches, but this is the most
important one. Can you please apply this one as well ?
--
viresh
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