linux-kernel - Re: [PATCH] arch/avr32: Fix build failure for avr32 caused by typo

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Message-ID: <20091228112028.5babace2@hskinnemoen-d830>
Date:	Mon, 28 Dec 2009 11:20:28 +0100
From:	Haavard Skinnemoen <haavard.skinnemoen@...el.com>
To:	Peter Hüwe <PeterHuewe@....de>
Cc:	"Hans-Christian Egtvedt" <hans-christian.egtvedt@...el.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Haavard Skinnemoen <hskinnemoen@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Ma <pma@...iamatech.com>, linux-kernel@...r.kernel.org,
	linux-mmc@...r.kernel.org
Subject: Re: [PATCH] arch/avr32: Fix build failure for avr32 caused by typo

Peter Hüwe <PeterHuewe@....de> wrote:
> Great, thanks for the update.
> The only thing that still catches my eye is that the kzalloc line can fail, so 
> you should perhaps add something like
> if (!slave) {
> 	printk(KERN_ERR "No memory left for at32ap700x: at32_add_device_mc");
> 	goto fail;
> }

I agree, except that this is extremely unlikely to happen, so we should
either drop the printk() or use pr_debug() in order to waste as little
memory as possible in production systems.

I think your first patch is good as it is, so I will apply it. Please
send any additional fixes as a separate patch.

Haavard
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