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Date: Mon, 03 Aug 2015 05:10:44 +0000 (GMT) From: MyungJoo Ham <myungjoo.ham@...sung.com> To: Viresh Kumar <viresh.kumar@...aro.org>, "akpm@...ux-foundation.org" <akpm@...ux-foundation.org> Cc: "linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, 박경민 <kyungmin.park@...sung.com>, "open list:DEVICE FREQUENCY (DEVFREQ)" <linux-pm@...r.kernel.org> Subject: Re: [PATCH 03/15] drivers: devfreq: Drop unlikely before IS_ERR(_OR_NULL) > 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@...aro.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) Cheers, MyungJoo
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