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Revert "cpufreq: Fix governor module removal race"

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This reverts commit 0049457bfd which was
commit a8b149d32b upstream.

The backport was not correct, so just drop it entirely.

Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2018-04-06 09:06:23 +02:00
parent a99aaeccde
commit cfbed9b556
1 changed files with 0 additions and 6 deletions
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6
drivers/cpufreq/cpufreq.c
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@@ -631,8 +631,6 @@ static int cpufreq_parse_governor(char *str_governor, unsigned int *policy,
*governor = t;
err = 0;
}
if (t && !try_module_get(t->owner))
t = NULL;
mutex_unlock(&cpufreq_governor_mutex);
}
@@ -761,10 +759,6 @@ static ssize_t store_scaling_governor(struct cpufreq_policy *policy,
return -EINVAL;
ret = cpufreq_set_policy(policy, &new_policy);
if (new_policy.governor)
module_put(new_policy.governor->owner);
return ret ? ret : count;
}