Xen devel - Mar 2009 - [PATCH] Fix double-free of vpmu->context

Hi,

When `opcontrol --shutdown'' is called after xenoprof is used on Dom0,
the vpmu owner becomes PMU_OWNER_NONE. So it is possible to acquire
the owner as PMU_OWNER_HVM and to allocate vpmu->context twice. As a
result, the hypervisor panics because of double-alloc/free of
vpmu->context.

This patch fixes it.

Thanks,
KAZ

Signed-off-by: Kazuhiro Suzuki <kaz@jp.fujitsu.com>


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