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

[MyungJoo Ham]

> 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@xxxxxxxxxx>

@ 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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