[Hardy-xen] SRU: Fix potential resource leak

[Stefan Bader]

On 21.06.2011 17:41, Stefan Bader wrote:
> I think it is not released yet, but I gave it its own bug anyway. Though it is
> sort of a follow up for CVE-2010-4247.
> Attaching the actual patch not the patch as it would get added to the xen
> patches as it is much simpler to look at.
> 
> SRU Justification:
> 
> Impact: This only affects the xen custom kernel. When applying patches to fix
> CVE-2010-4247, a follow-up patch was missed that would fix a potention leak.
> This will only happen in the error case when the loop is prematurely ended.
> 
> Fix: Patch taken from Xen repository.
> 
> Testcase: none, found by code review and not sure how to trigger the error case
> the first place.
> 

In case it was missed or assumed to be the other issue... And this time
attaching the patch against the tree.

-Stefan

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