[PATCH] usb: host: ehci-exynos: Fix error check in exynos_ehci_probe()

[Tang Bin]

If the function platform_get_irq() failed, the negative value
returned will not be detected here. So fix error handling in
exynos_ehci_probe(). And when get irq failed, the function
platform_get_irq() logs an error message, so remove redundant
message here.

Fixes: 1bcc5aa87f04 ("USB: Add initial S5P EHCI driver")
Signed-off-by: Zhang Shengju <zhangshengju@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx>
---
 drivers/usb/host/ehci-exynos.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index a4e9abcbd..1a9b7572e 100644
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -203,9 +203,8 @@ static int exynos_ehci_probe(struct platform_device *pdev)
 	hcd->rsrc_len = resource_size(res);
 
 	irq = platform_get_irq(pdev, 0);
-	if (!irq) {
-		dev_err(&pdev->dev, "Failed to get IRQ\n");
-		err = -ENODEV;
+	if (irq < 0) {
+		err = irq;
 		goto fail_io;
 	}
 
-- 
2.20.1.windows.1