[libvirt] [PATCH] Fix a potential race in pciInitDevice.

Chris Lalancette clalance at redhat.com
Thu Jul 29 14:18:38 UTC 2010


On 07/28/10 - 02:39:38PM, Chris Wright wrote:
> * Chris Lalancette (clalance at redhat.com) wrote:
> > If detecting the FLR flag of a pci device fails, then we
> > could run into the situation of trying to close a file
> > descriptor twice, once in pciInitDevice() and once in pciFreeDevice().
> > Fix that by removing the pciCloseConfig() in pciInitDevice() and
> > just letting pciFreeDevice() handle it.
> > 
> > Thanks to Chris Wright for pointing out this problem.
> > 
> > While we are at it, fix an error check.  While it would actually
> > work as-is (since success returns 0), it's still more clear to
> > check for < 0 (as the rest of the code does).
> > 
> > Signed-off-by: Chris Lalancette <clalance at redhat.com>

Thanks, I've pushed this patch.

--
Chris Lalancette




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