linux-kernel - Re: [PATCH] power_supply: bq25890: make chip

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Message-ID: <556DABCC.2080302@samsung.com>
Date:	Tue, 02 Jun 2015 22:12:44 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Laurentiu Palcu <laurentiu.palcu@...el.com>,
	Sebastian Reichel <sre@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>
CC:	Dan Carpenter <dan.carpenter@...cle.com>, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] power_supply: bq25890: make chip_id int

W dniu 02.06.2015 o 19:36, Laurentiu Palcu pisze:
> Smatch static checker correctly detected an impossible condition because
> chip_id was declared as u8, instead of int:
> 
> drivers/power/bq25890_charger.c:843 bq25890_probe()
> warn: impossible condition '(bq->chip_id < 0) => (0-255 < 0)'
> 
> Also, while at it, fix the return value too.

I wondered whether this should be split into two commits... but actually
returning uninitialized value is not possible now because of the cast, so:

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

Best regards,
Krzysztof

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