[v2,01/13] usb: mtu3: fix error return code in ssusb_gadget_init()

Commit Message

Chunfeng Yun (云春峰) Oct. 13, 2017, 9:10 a.m. UTC

When failing to get IRQ number, platform_get_irq() may return
-EPROBE_DEFER, but we ignore it and always return -ENODEV,
so fix it.

Signed-off-by: Chunfeng Yun <[e-mail]>
---
 drivers/usb/mtu3/mtu3_core.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index 99c65b0..9475798 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -774,9 +774,9 @@  int ssusb_gadget_init(struct ssusb_mtk *ssusb)
 		return -ENOMEM;
 
 	mtu->irq = platform_get_irq(pdev, 0);
-	if (mtu->irq <= 0) {
+	if (mtu->irq < 0) {
 		dev_err(dev, "fail to get irq number\n");
-		return -ENODEV;
+		return mtu->irq;
 	}
 	dev_info(dev, "irq %d\n", mtu->irq);