linux-kernel - Re: [PATCH 3/9] staging: otus: check kmalloc() return value

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Message-ID: <20100730140704.GB26313@bicker>
Date:	Fri, 30 Jul 2010 16:07:04 +0200
From:	Dan Carpenter <error27@...il.com>
To:	Kulikov Vasiliy <segooon@...il.com>
Cc:	kernel-janitors@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Alexander Beregalov <a.beregalov@...il.com>,
	Tejun Heo <tj@...nel.org>,
	Mithlesh Thukral <mithlesh@...syssoft.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/9] staging: otus: check kmalloc() return value

On Fri, Jul 30, 2010 at 03:08:00PM +0400, Kulikov Vasiliy wrote:
>  	if (size > 0) {
>  		buf = kmalloc(size, GFP_KERNEL);
> +		if (buf == NULL) {
> +			pr_err("zfwUsbSubmitControl() failed, "
> +				  "kmalloc() returned NULL\n");

This isn't a big deal, but the pr_err() isn't needed.  kmalloc() already
prints a message unless __GFP_NOWARN is used.

regards,
dan carpenter


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