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    Subject[PATCH AUTOSEL 5.7 233/388] USB: host: ehci-mxc: Add error handling in ehci_mxc_drv_probe()
    Date
    From: Tang Bin <tangbin@cmss.chinamobile.com>

    [ Upstream commit d49292025f79693d3348f8e2029a8b4703be0f0a ]

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

    Fixes: 7e8d5cd93fac ("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>
    ---
    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 c9f91e6c72b6..7f65c86047dd 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)
    --
    2.25.1
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