Re: [UINPUT] Allow EV_ABS to work in uinput.c

[Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>]

> uinput_alloc_device() is supposed to return the number of bytes read,
> the value is returned to uinput_write() and from there to userspace. If
> EV_ABS is set then it returns the value from uinput_validate_absbits()
> instead, which is zero when everything is ok instead of the count.
> 
> Signed-off-by: Ian Campbell <icampbell@arcom.com>
Acked-by: Aristeu Rozanski <aris@cathedrallabs.org>

> --- 2.6.orig/drivers/input/misc/uinput.c	2005-05-25 10:45:56.000000000 +0100
> +++ 2.6/drivers/input/misc/uinput.c	2005-05-25 10:47:02.000000000 +0100
> @@ -216,9 +216,11 @@
>  	/* check if absmin/absmax/absfuzz/absflat are filled as
>  	 * told in Documentation/input/input-programming.txt */
>  	if (test_bit(EV_ABS, dev->evbit)) {
> -		retval = uinput_validate_absbits(dev);
> -		if (retval < 0)
> +		int err = uinput_validate_absbits(dev);
> +		if (err < 0) {
> +			retval = err;
>  			kfree(dev->name);
> +		}
>  	}
>  
>  exit:

-- 
Aristeu