diff mbox series

usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe()

Message ID 20200826144931.1828-1-tangbin@cmss.chinamobile.com (mailing list archive)
State Mainlined
Commit 1d4169834628d18b2392a2da92b7fbf5e8e2ce89
Headers show
Series usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe() | expand

Commit Message

Tang Bin Aug. 26, 2020, 2:49 p.m. UTC
If the function platform_get_irq() failed, the negative value
returned will not be detected here. So fix error handling in
exynos_ohci_probe(). And when get irq failed, the function
platform_get_irq() logs an error message, so remove redundant
message here.

Fixes: 62194244cf87 ("USB: Add Samsung Exynos OHCI diver")
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
---
 drivers/usb/host/ohci-exynos.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Comments

Krzysztof Kozlowski Aug. 27, 2020, 6:52 a.m. UTC | #1
On Wed, Aug 26, 2020 at 10:49:31PM +0800, Tang Bin wrote:
> If the function platform_get_irq() failed, the negative value
> returned will not be detected here. So fix error handling in
> exynos_ohci_probe(). And when get irq failed, the function
> platform_get_irq() logs an error message, so remove redundant
> message here.
> 
> Fixes: 62194244cf87 ("USB: Add Samsung Exynos OHCI diver")
> Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
> Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
> ---
>  drivers/usb/host/ohci-exynos.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c
index bd40e597f..5f5e8a64c 100644
--- a/drivers/usb/host/ohci-exynos.c
+++ b/drivers/usb/host/ohci-exynos.c
@@ -171,9 +171,8 @@  static int exynos_ohci_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;
 	}