linux-kernel - Re: [rtc-linux] [PATCH 2/4] RTC: remove unnecessary device_get() in rtc_device

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Message-ID: <CAJKOXPezbQS-NHUp1tPBpUErEQaP5oqv7vyhBwundYZ-oDjCSw@mail.gmail.com>
Date:	Tue, 21 Jul 2015 09:39:27 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	rtc-linux@...glegroups.com
Cc:	Alessandro Zummo <a.zummo@...ertech.it>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [rtc-linux] [PATCH 2/4] RTC: remove unnecessary device_get() in rtc_device_unregister

2015-07-21 8:02 GMT+09:00 Dmitry Torokhov <dmitry.torokhov@...il.com>:
> Technically the address of rtc->dev can never be NULL, so get_device()
> can never fail. Also caller of rtc_device_unregister() supposed to be
> the owner of the device and thus have a valid reference. Therefore
> call to get_device() is not needed here.
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> ---
>  drivers/rtc/class.c | 25 ++++++++++++-------------
>  1 file changed, 12 insertions(+), 13 deletions(-)

Makes sense.
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>

Best regards,
Krzysztof
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