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evdev: a device without any seat caps is an unhandled device

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If we don't have any caps, assume the device is unhandled and ignore it.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2020-05-28 16:41:09 +10:00
parent 84fda690bd
commit 4058c43579
2 changed files with 26 additions and 5 deletions
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9
src/evdev.c
View file

@ -2234,11 +2234,8 @@ evdev_device_create(struct libinput_seat *seat,
evdev_pre_configure_model_quirks(device);
device->dispatch = evdev_configure_device(device);
if (device->dispatch == NULL) {
if (device->seat_caps == 0)
unhandled_device = 1;
if (device->dispatch == NULL || device->seat_caps == 0)
goto err;
}
device->source =
libinput_add_fd(libinput, fd, evdev_device_dispatch, device);
@ -2256,8 +2253,10 @@ evdev_device_create(struct libinput_seat *seat,
err:
close_restricted(libinput, fd);
if (device)
if (device) {
unhandled_device = device->seat_caps == 0;
evdev_device_destroy(device);
}
return unhandled_device ? EVDEV_UNHANDLED_DEVICE : NULL;
}

22
test/test-device.c
View file

@ -1472,6 +1472,27 @@ START_TEST(device_capability_check_invalid)
}
END_TEST
START_TEST(device_capability_nocaps_ignored)
{
struct libevdev_uinput *uinput;
struct libinput *li;
struct libinput_device *device;
/* SW_MAX isn't handled in libinput so the device is processed but
* ends up without seat capabilities and is ignored. */
uinput = litest_create_uinput_device("test device", NULL,
EV_SW, SW_MAX,
-1);
li = litest_create_context();
device = libinput_path_add_device(li,
libevdev_uinput_get_devnode(uinput));
litest_assert_ptr_null(device);
libinput_unref(li);
libevdev_uinput_destroy(uinput);
}
END_TEST
START_TEST(device_has_size)
{
struct litest_device *dev = litest_current_device();
@ -1667,6 +1688,7 @@ TEST_COLLECTION(device)
litest_add("device:capability", device_capability_at_least_one, LITEST_ANY, LITEST_ANY);
litest_add("device:capability", device_capability_check_invalid, LITEST_ANY, LITEST_ANY);
litest_add_no_device("device:capability", device_capability_nocaps_ignored);
litest_add("device:size", device_has_size, LITEST_TOUCHPAD, LITEST_ANY);
litest_add("device:size", device_has_size, LITEST_TABLET, LITEST_ANY);