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

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[ Upstream commit d49292025f79693d3348f8e2029a8b4703be0f0a ]

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
commit 4f01308480
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/host/ehci-mxc.c
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@ -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)