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thermal: cpu_cooling: Check memory allocation of power_table

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We allocate the power_table in memory but we don't test whether the
allocation succeeded.  Return -ENOMEM if kcalloc() fails.

Fixes: e0128d8ab423 ("thermal: cpu_cooling: implement the power cooling device API")
Cc: Eduardo Valentin <[email protected]>
Cc: Zhang Rui <[email protected]>
Reported-by: kbuild test robot <[email protected]>
Signed-off-by: Javi Merino <[email protected]>
Signed-off-by: Eduardo Valentin <[email protected]>
This commit is contained in:
Javi Merino 2015-03-20 18:20:13 +00:00 • committed by Eduardo Valentin
commit 0cdf97e1ad
1 changed files with 4 additions and 0 deletions
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4
drivers/thermal/cpu_cooling.c
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@ -329,6 +329,10 @@ static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device,
}
power_table = kcalloc(num_opps, sizeof(*power_table), GFP_KERNEL);
if (!power_table) {
ret = -ENOMEM;
goto unlock;
}
for (freq = 0, i = 0;
opp = dev_pm_opp_find_freq_ceil(dev, &freq), !IS_ERR(opp);