[Xen-devel][PATCH 3] Update cpufreq statistic protection

["Liu, Jinsong" <jinsong.liu@xxxxxxxxx>]

Update cpufreq statistic protection

For struct pm_px, there are 3 pointer: pxpt, pt, trans_pt.
Partly free pointer 'pt' and 'trans_pt' will result in little memory
leak,
and what is more, will result in protection issue when user access px
statistic
info through libxc.

Signed-off-by: Liu, Jinsong <jinsong.liu@xxxxxxxxx>

Attachment: px-xen-3-fixbug-pxstat.patch
Description: px-xen-3-fixbug-pxstat.patch

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