[Bug 14391] use after free of struct powernow_k8_data

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http://bugzilla.kernel.org/show_bug.cgi?id=14391





--- Comment #9 from Thomas Renninger <trenn@xxxxxxx>  2009-12-10 17:46:44 ---
Created an attachment (id=24139)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=24139)
Fix use after free of struct powernow_k8_data

Possibly this still needs extra care in drivers/cpufreq/cpufreq.c:
int cpufreq_update_policy(unsigned int cpu)
and the managing cpu should only get called with ->get()

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