USB: host: ehci-mxc: Add error handling in ehci_mxc_drv_probe()

[ Upstream commit d49292025f ]

The function ehci_mxc_drv_probe() does not perform sufficient error
checking after executing platform_get_irq(), thus fix it.

Fixes: 7e8d5cd93f ("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>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20200513132647.5456-1-tangbin@cmss.chinamobile.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tang Bin
2020-05-13 21:26:47 +08:00
committed by Greg Kroah-Hartman
parent efe7880ed2
commit 549ff84332

View File

@@ -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)