[Xen-devel] Re: [PATCH 1/1] PCI: xen-pcifront, fix PCI reference leak

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Nov 04, 2010 at 12:27:07PM -0600, Milton Miller wrote:
> On 2010-11-04 at about 14:31:30 Jiri Slaby wrote:
> > Stanse found that when pdev is found and has no driver a reference is
> > leaked in pcifront_common_process. So add pci_dev_put there. For the
> > pdev == NULL case, pci_dev_put(NULL) is fine.
> 
> While that may be true, the dev_err(&pcidev->dev ... is a NULL pointer
> deref.

I've put the fix in the branch (stable/xen-pcifront-fixes) that I will ask Linus
to pull.. but what options did you need to find this?

I tried to run this before putting your and Milton fix in:
konrad@phenom:~/tar/stanse-1.1.2$ java -jar ./stanse.jar  
~/work/linux/drivers/pci/xen-pcifront.c 
Stanse version "1.1.2"
Copyright (c) 2008-2010 Masaryk University, Brno

STANSE_HOME not specified. Using the location of stanse.jar.
Checking for bugs:
<-> File: /home/konrad/work/linux/drivers/pci/xen-pcifront.c
<-> --------------------------------
Done.

And no warnings?

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