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Re: [PATCH] regulator: core: Use IS_ERR_OR_NULL()

From Viresh Kumar <viresh.kumar@linaro.org>
Newsgroups linux.kernel
Subject Re: [PATCH] regulator: core: Use IS_ERR_OR_NULL()
Date 2015-08-20 18:00 +0200
Message-ID <pZApY-YM-13@gated-at.bofh.it> (permalink)
References <pYmIp-6B-11@gated-at.bofh.it> <pZy4U-68h-123@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 20-08-15, 15:26, Arnd Bergmann wrote:
> The use of IS_ERR_OR_NULL is almost always a bug (as is the open-coded
> equivalent).
> Please try to find out why this is done here and add a comment
> if it's actually correct, or fix it if not.
> 
> My guess is that it is not ok to pass an error pointer as the argument
> of _regulator_put(), so maybe there should be WARN_ON()?

I agree, but updating that would require a revisit of all the API
users, in case they are passing a possible error value to it.

I am fine at attempting to fix that, but would need an Ack from Mark
first.

-- 
viresh
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Re: [PATCH] regulator: core: Use IS_ERR_OR_NULL() Arnd Bergmann <arnd@arndb.de> - 2015-08-20 15:30 +0200
  Re: [PATCH] regulator: core: Use IS_ERR_OR_NULL() Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-20 18:00 +0200

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