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dix: devices must have valuators before touch is initialized 

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2013-05-14 07:46:25 +10:00
parent fd5ea0237d
commit 8b9dc26281
1 changed files with 1 additions and 0 deletions
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dix/devices.c
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@ -1647,6 +1647,7 @@ InitTouchClassDeviceStruct(DeviceIntPtr device, unsigned int max_touches,
BUG_RETURN_VAL(device == NULL, FALSE);
BUG_RETURN_VAL(device->touch != NULL, FALSE);
BUG_RETURN_VAL(device->valuator == NULL, FALSE);
/* Check the mode is valid, and at least X and Y axes. */
BUG_RETURN_VAL(mode != XIDirectTouch && mode != XIDependentTouch, FALSE);