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extcon: rt8973a: fix handling regmap_irq_get_virq result

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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>
This commit is contained in:
Andrzej Hajda 2015-09-24 16:00:20 +02:00 committed by Chanwoo Choi
parent 4bf27b7038
commit 238ffc2e64
1 changed files with 1 additions and 1 deletions
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2
drivers/extcon/extcon-rt8973a.c
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@ -594,7 +594,7 @@ static int rt8973a_muic_i2c_probe(struct i2c_client *i2c,
for (i = 0; i < info->num_muic_irqs; i++) {
struct muic_irq *muic_irq = &info->muic_irqs[i];
unsigned int virq = 0;
int virq = 0;
virq = regmap_irq_get_virq(info->irq_data, muic_irq->irq);
if (virq <= 0)