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Power management fix for v4.9-rc2

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This fixes pointer arithmetics mess-up in the cpufreq core introduced
 by one of recent commits and leading to all kinds of breakage from
 kernel crashes to incorrect governor decisions (Sergey Senozhatsky).
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Merge tag 'pm-4.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "This fixes the pointer arithmetics mess-up in the cpufreq core
  introduced by one of recent commits and leading to all kinds of
  breakage from kernel crashes to incorrect governor decisions (Sergey
  Senozhatsky)"

* tag 'pm-4.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: fix overflow in cpufreq_table_find_index_dl()
This commit is contained in:
Linus Torvalds 2016-10-20 15:32:51 -07:00
commit 6f33d6458e
1 changed files with 2 additions and 2 deletions
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4
include/linux/cpufreq.h
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@ -677,10 +677,10 @@ static inline int cpufreq_table_find_index_dl(struct cpufreq_policy *policy,
if (best == table - 1)
return pos - table;
return best - pos;
return best - table;
}
return best - pos;
return best - table;
}
/* Works only on sorted freq-tables */