linux-kernel - Re: [PATCH v3 1/6] misc: sram: fix error path in sram

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Message-ID: <1373034203.3935.31.camel@pizza.hi.pengutronix.de>
Date:	Fri, 05 Jul 2013 16:23:23 +0200
From:	Philipp Zabel <p.zabel@...gutronix.de>
To:	Heiko Stübner <heiko@...ech.de>
Cc:	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robherring2@...il.com>,
	devicetree-discuss@...ts.ozlabs.org,
	Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Ulrich Prinz <ulrich.prinz@...glemail.com>
Subject: Re: [PATCH v3 1/6] misc: sram: fix error path in sram_probe

Am Freitag, den 05.07.2013, 14:40 +0200 schrieb Heiko Stübner:
> The pool is created thru devm_gen_pool_create, so the call to
> gen_pool_destroy is not necessary.
> Instead the sram-clock must be turned off again if it exists.
> 
> Signed-off-by: Heiko Stuebner <heiko@...ech.de>
> Tested-by: Ulrich Prinz <ulrich.prinz@...glemail.com>

Acked-by: Philipp Zabel <p.zabel@...gutronix.de>

> ---
>  drivers/misc/sram.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c
> index d87cc91..afe66571 100644
> --- a/drivers/misc/sram.c
> +++ b/drivers/misc/sram.c
> @@ -68,7 +68,8 @@ static int sram_probe(struct platform_device *pdev)
>  	ret = gen_pool_add_virt(sram->pool, (unsigned long)virt_base,
>  				res->start, size, -1);
>  	if (ret < 0) {
> -		gen_pool_destroy(sram->pool);
> +		if (sram->clk)
> +			clk_disable_unprepare(sram->clk);
>  		return ret;
>  	}
>  

regards
Philipp

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