linux-kernel - Re: [PATCH] gpio: pcf857x: fixup smatch WARNING

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Message-ID: <CACRpkdYagWXN4zOEVNK==kR96R2x7qjM7UX-NmUhtPwEyx=L_A@mail.gmail.com>
Date:	Wed, 12 Sep 2012 17:45:28 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Cc:	Fengguang Wu <fengguang.wu@...el.com>,
	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gpio: pcf857x: fixup smatch WARNING

On Wed, Sep 12, 2012 at 7:19 AM, Kuninori Morimoto
<kuninori.morimoto.gx@...esas.com> wrote:

> 6e20a0a429bd4dc07d6de16d9c247270e04e4aa0
> (gpio: pcf857x: enable gpio_to_irq() support)
> added new smatch warnings
>
> drivers/gpio/gpio-pcf857x.c:288 pcf857x_probe() error: we previously \
>         assumed 'pdata' could be null (see line 277)
> drivers/gpio/gpio-pcf857x.c:364 pcf857x_probe() warn: variable dereferenced\
>          before check 'pdata' (see line 292)
> drivers/gpio/gpio-pcf857x.c:421 pcf857x_remove() error: we previously\
>          assumed 'pdata' could be null (see line 410)
>
> This patch fixes it
>
> Reported-by: Fengguang Wu <fengguang.wu@...el.com>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>

Applied, thanks!
Linus Walleij
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