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Re: [PATCH 03/15] drivers: devfreq: Drop unlikely before IS_ERR(_OR_NULL)

From Viresh Kumar <viresh.kumar@linaro.org>
Newsgroups linux.kernel
Subject Re: [PATCH 03/15] drivers: devfreq: Drop unlikely before IS_ERR(_OR_NULL)
Date 2015-08-03 07:50 +0200
Message-ID <pTgNk-203-7@gated-at.bofh.it> (permalink)
References <pTgki-1sd-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 03-08-15, 05:10, MyungJoo Ham wrote:
> > IS_ERR(_OR_NULL) already contain an 'unlikely' compiler flag and there
> > is no need to do that again from its callers. Drop it.
> > 
> > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
> 
> @ from include/linux/err.h
> #define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
> ...
> static inline bool __must_check IS_ERR_OR_NULL(__force const void *ptr)
> {
> 	return !ptr || IS_ERR_VALUE((unsigned long)ptr);
> }
> 
> "!ptr" appears not covered with IS_ERR_OR_NULL.
> (only the IS_ERR part seems covered)

Right, the first patch of the series has fixed that.

http://permalink.gmane.org/gmane.linux.kernel/2009151

-- 
viresh
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Re: [PATCH 03/15] drivers: devfreq: Drop unlikely before  IS_ERR(_OR_NULL) MyungJoo Ham <myungjoo.ham@samsung.com> - 2015-08-03 07:20 +0200
  Re: [PATCH 03/15] drivers: devfreq: Drop unlikely before  IS_ERR(_OR_NULL) Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-03 07:50 +0200

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