extcon: rt8973a: fix handling regmap_irq_get_virq result
The function can return negative value. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2046107 Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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@ -594,7 +594,7 @@ static int rt8973a_muic_i2c_probe(struct i2c_client *i2c,
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for (i = 0; i < info->num_muic_irqs; i++) {
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struct muic_irq *muic_irq = &info->muic_irqs[i];
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unsigned int virq = 0;
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int virq = 0;
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virq = regmap_irq_get_virq(info->irq_data, muic_irq->irq);
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if (virq <= 0)
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