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Fix a crash when requesting invalid mode group indices

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Peter Hutterer 2017-02-24 10:10:44 +10:00
parent 67a7026b74
commit c787ccf270
1 changed files with 4 additions and 0 deletions
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4
src/evdev-tablet-pad-leds.c
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@ -645,5 +645,9 @@ evdev_device_tablet_pad_get_mode_group(struct evdev_device *device,
if (!(device->seat_caps & EVDEV_DEVICE_TABLET_PAD))
return NULL;
if (index >=
(unsigned int)evdev_device_tablet_pad_get_num_mode_groups(device))
return NULL;
return pad_get_mode_group(pad, index);
}