extcon: max14577: Properly handle regmap_irq_get_virq error

The regmap_irq_get_virq may return 0 or -EINVAL on error. Fail the probe
in both situations.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/extcon/extcon-max14577.c b/drivers/extcon/extcon-max14577.c
index 4179ce1a23de..2acf7461c905 100644
--- a/drivers/extcon/extcon-max14577.c
+++ b/drivers/extcon/extcon-max14577.c
@@ -721,7 +721,7 @@ static int max14577_muic_probe(struct platform_device *pdev)
                 unsigned int virq = 0;
 
                 virq = regmap_irq_get_virq(max14577->irq_data, muic_irq->irq);
-                if (!virq)
+                if (virq <= 0)
                         return -EINVAL;
                 muic_irq->virq = virq;