linux-kernel - Re: [PATCH 3/3] Expose MSI-X interrupts through a dynamically generated sysfs directory

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Date:	Tue, 20 Oct 2009 02:26:02 -0600
From:	Matthew Wilcox <matthew@....cx>
To:	Am??rico Wang <xiyou.wangcong@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH 3/3] Expose MSI-X interrupts through a dynamically
	generated sysfs directory


I'll note that one of the complaints at the kernel summit has been
that people have lost the art of trimming mail they're replying to.
There's a proposal to filter mail like the one you sent as spam.

On Tue, Oct 20, 2009 at 04:14:44PM +0800, Am??rico Wang wrote:
> On Tue, Oct 20, 2009 at 1:50 PM, Matthew Wilcox <matthew@....cx> wrote:
> > +#define kobj_to_pci_dev(obj) to_pci_dev(container_of(obj, struct device, kobj))
> 
> You define this, but no one uses it?

Yeah, left over from an earlier version of the patch.  Thanks, I'll
remove it.

> > + ?? ?? ?? array = kmalloc((nr_irqs + 1) * sizeof(void *), GFP_KERNEL);
> > + ?? ?? ?? if (!array)
> > + ?? ?? ?? ?? ?? ?? ?? return -ENOMEM;
> > + ?? ?? ?? attr = kmalloc(nr_irqs * sizeof(*attr), GFP_KERNEL);
> > + ?? ?? ?? if (!attr)
> > + ?? ?? ?? ?? ?? ?? ?? return -ENOMEM;
> 
> Here leaks memory allocated above.

Oh, yeah, duh, thanks.

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
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