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Merge branch 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull CPU hotplug fix from Ingo Molnar:
 "An error handling corner case fix"

* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  cpu/hotplug: Drop the device lock on error
This commit is contained in:
Linus Torvalds 2017-06-10 10:49:42 -07:00
parent 6b7ed4588c 40da1b11f0
commit 45b44f0f28
1 changed files with 2 additions and 2 deletions
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4
kernel/cpu.c
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@ -1658,13 +1658,13 @@ static ssize_t write_cpuhp_target(struct device *dev,
ret = !sp->name || sp->cant_stop ? -EINVAL : 0;
mutex_unlock(&cpuhp_state_mutex);
if (ret)
return ret;
goto out;
if (st->state < target)
ret = do_cpu_up(dev->id, target);
else
ret = do_cpu_down(dev->id, target);
out:
unlock_device_hotplug();
return ret ? ret : count;
}