usb: gadget: s3c2410_udc: fix error return code in s3c2410_udc_probe()

Fix to return a negative error code in the gpio_to_irq() error handling
case instead of 0, as done elsewhere in this function.

Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index 7f5e3a66d02ae31e60c74ce7e51773345bb9eb78..09c4f70c93c4cb13639cf89ed7d423c2231df621 100644 (file)
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -1851,6 +1851,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
                irq = gpio_to_irq(udc_info->vbus_pin);
                if (irq < 0) {
                        dev_err(dev, "no irq for gpio vbus pin\n");
+                       retval = irq;
                        goto err_gpio_claim;
                }