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Subject[PATCH v2] USB: host: ehci-mxc: Add error handling in ehci_mxc_drv_probe()
Date
The function ehci_mxc_drv_probe() does not perform sufficient error
checking after executing platform_get_irq(), thus fix it.

Fixes: 7e8d5cd93fa ("USB: Add EHCI support for MX27 and MX31 based boards")
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
---
Changes from v1
- fix the subject.
---
drivers/usb/host/ehci-mxc.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index c9f91e6c7..7f65c8604 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -50,6 +50,8 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
}

irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;

hcd = usb_create_hcd(&ehci_mxc_hc_driver, dev, dev_name(dev));
if (!hcd)
--
2.20.1.windows.1


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