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

From: Aristeu Sergio Rozanski Filho
Date: Wed May 25 2005 - 07:37:55 EST


> 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@xxxxxxxxx>
Acked-by: Aristeu Rozanski <aris@xxxxxxxxxxxxxxxxx>

> --- 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

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