workqueue: Replace hardcoding of -20 and 19 with MIN_NICE and MAX_NICE
Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/6d85138180c00ce86975addab6e34b24b84f00a5.1392103744.git.yangds.fnst@cn.fujitsu.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org>
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c4a4d2f431
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144818422b
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@ -3225,7 +3225,7 @@ static ssize_t wq_nice_store(struct device *dev, struct device_attribute *attr,
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return -ENOMEM;
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if (sscanf(buf, "%d", &attrs->nice) == 1 &&
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attrs->nice >= -20 && attrs->nice <= 19)
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attrs->nice >= MIN_NICE && attrs->nice <= MAX_NICE)
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ret = apply_workqueue_attrs(wq, attrs);
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else
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ret = -EINVAL;
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