[PATCH] winejoystick.drv: Gracefully handle polling an unplugged device

[Ken Thomases]

On Mar 2, 2016, at 11:28 AM, Aric Stewart <aric at codeweavers.com> wrote:
> 
> dlls/winejoystick.drv/joystick_osx.c | 40 +++++++++++++++++++++++++++++++++---
> 1 file changed, 37 insertions(+), 3 deletions(-)

> -            IOHIDDeviceGetValue(device, button, &valueRef);
> +            ret = IOHIDDeviceGetValue(device, button, &valueRef);
> +            if (ret != kIOReturnSuccess)
> +            {
> +                switch (ret)
> +                {
> +                    case kIOReturnNotAttached:
> +                        return JOYERR_UNPLUGGED;
> +                    default:
> +                        ERR("IOHIDDeviceGetValue returned 0x%x\n",ret);
> +                        return JOYERR_NOCANDO;
> +                }
> +            }

The above sort of change is repeated three times.  Seems like a case for a helper function.

-Ken