extcon: adc-jack: Fix checking return value of request_any_context_irq

On failure, request_any_context_irq() returns a negative value.
On success, it returns either IRQC_IS_HARDIRQ or IRQC_IS_NESTED.

Also ensure adc_jack_probe() return 0 on success.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/extcon/extcon-adc-jack.c b/drivers/extcon/extcon-adc-jack.c
index 725eb5aa8d8c..2cc6bec9f625 100644
--- a/drivers/extcon/extcon-adc-jack.c
+++ b/drivers/extcon/extcon-adc-jack.c
@@ -161,13 +161,12 @@ static int __devinit adc_jack_probe(struct platform_device *pdev)
         err = request_any_context_irq(data->irq, adc_jack_irq_thread,
                         pdata->irq_flags, pdata->name, data);
 
-        if (err) {
+        if (err < 0) {
                 dev_err(&pdev->dev, "error: irq %d\n", data->irq);
-                err = -EINVAL;
                 goto err_irq;
         }
 
-        goto out;
+        return 0;
 
 err_irq:
         extcon_dev_unregister(&data->edev);