udc_controller->irq is "unsigned int" always >= 0, but platform_get_irq may
return little than zero. So "dc_controller->irq < 0" condition is never
accessible.
Signed-off-by: Ye Bin <yebin10@xxxxxxxxxx>
---
drivers/usb/gadget/udc/fsl_udc_core.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
index a6f7b2594c09..3e98740b8cfc 100644
--- a/drivers/usb/gadget/udc/fsl_udc_core.c
+++ b/drivers/usb/gadget/udc/fsl_udc_core.c
@@ -2439,11 +2439,12 @@ static int fsl_udc_probe(struct platform_device *pdev)
/* DEN is bidirectional ep number, max_ep doubles the number */
udc_controller->max_ep = (dccparams & DCCPARAMS_DEN_MASK) * 2;
- udc_controller->irq = platform_get_irq(pdev, 0);
- if (udc_controller->irq <= 0) {
- ret = udc_controller->irq ? : -ENODEV;
+ ret = platform_get_irq(pdev, 0);
+ if (ret <= 0) {
+ ret = ret ? : -ENODEV;
goto err_iounmap;
}
+ udc_controller->irq = ret;
ret = request_irq(udc_controller->irq, fsl_udc_irq, IRQF_SHARED,
driver_name, udc_controller);
--
2.25.4
