On Sat, Jul 19, 2014 at 03:10:42PM +0200, David Herrmann wrote:
> This moves basic checks and setup from uinput_setup_device() into
> uinput_validate_absbits() to make it easier to use. This way, we can call
> it from other places without copying the boilerplate code.
>
> Reviewed-by: Peter Hutterer <[email protected]>
> Signed-off-by: David Herrmann <[email protected]>
Applied, thank you.
> ---
> drivers/input/misc/uinput.c | 40 +++++++++++++++++++++-------------------
> 1 file changed, 21 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
> index 8569362..615324c 100644
> --- a/drivers/input/misc/uinput.c
> +++ b/drivers/input/misc/uinput.c
> @@ -311,7 +311,13 @@ static int uinput_open(struct inode *inode, struct file
> *file)
> static int uinput_validate_absbits(struct input_dev *dev)
> {
> unsigned int cnt;
> - int retval = 0;
> + int nslot;
> +
> + if (!test_bit(EV_ABS, dev->evbit))
> + return 0;
> +
> + /* check if absmin/absmax/absfuzz/absflat are filled as
> + * told in Documentation/input/input-programming.txt */
>
> for (cnt = 0; cnt < ABS_CNT; cnt++) {
> int min, max;
> @@ -327,8 +333,7 @@ static int uinput_validate_absbits(struct input_dev *dev)
> UINPUT_NAME, cnt,
> input_abs_get_min(dev, cnt),
> input_abs_get_max(dev, cnt));
> - retval = -EINVAL;
> - break;
> + return -EINVAL;
> }
>
> if (input_abs_get_flat(dev, cnt) >
> @@ -340,11 +345,18 @@ static int uinput_validate_absbits(struct input_dev
> *dev)
> input_abs_get_flat(dev, cnt),
> input_abs_get_min(dev, cnt),
> input_abs_get_max(dev, cnt));
> - retval = -EINVAL;
> - break;
> + return -EINVAL;
> }
> }
> - return retval;
> +
> + if (test_bit(ABS_MT_SLOT, dev->absbit)) {
> + nslot = input_abs_get_max(dev, ABS_MT_SLOT) + 1;
> + input_mt_init_slots(dev, nslot, 0);
> + } else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) {
> + input_set_events_per_packet(dev, 60);
> + }
> +
> + return 0;
> }
>
> static int uinput_allocate_device(struct uinput_device *udev)
> @@ -410,19 +422,9 @@ static int uinput_setup_device(struct uinput_device
> *udev,
> input_abs_set_flat(dev, i, user_dev->absflat[i]);
> }
>
> - /* 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)
> - goto exit;
> - if (test_bit(ABS_MT_SLOT, dev->absbit)) {
> - int nslot = input_abs_get_max(dev, ABS_MT_SLOT) + 1;
> - input_mt_init_slots(dev, nslot, 0);
> - } else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) {
> - input_set_events_per_packet(dev, 60);
> - }
> - }
> + retval = uinput_validate_absbits(dev);
> + if (retval < 0)
> + goto exit;
>
> udev->state = UIST_SETUP_COMPLETE;
> retval = count;
> --
> 2.0.2
>
--
Dmitry
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