Hi,
> We can't return directly in max3421_hub_control(), we have to unlock
> first.
Yes you are right.
I think testing if pdata is null is not necessary as driver_probe will fail if
the device do not have a platform_data.
Jules.
> Fixes: 721fdc83b31b ("usb: max3421: Add devicetree support")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c
> index 928a5aabee02..46a86a7f3360 100644
> --- a/drivers/usb/host/max3421-hcd.c
> +++ b/drivers/usb/host/max3421-hcd.c
> @@ -1704,7 +1704,8 @@ max3421_hub_control(struct usb_hcd *hcd, u16 type_req, u16
> value, u16 index,
> pdata = spi->dev.platform_data;
> if (!pdata) {
> dev_err(&spi->dev, "Device platform data is missing\n");
> - return -EFAULT;
> + retval = -EFAULT;
> + goto unlock;
> }
>
> switch (type_req) {
> @@ -1787,6 +1788,7 @@ max3421_hub_control(struct usb_hcd *hcd, u16 type_req, u16
> value, u16 index,
> retval = -EPIPE;
> }
>
> +unlock:
> spin_unlock_irqrestore(&max3421_hcd->lock, flags);
> return retval;
> }
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