Xi: When attaching, check for ptr -> ptr and keybd -> keybd.
Some pointer devices have key classes (e.g. MS Optical Desktop 2000). The previous test was performed as Error if ptr -> keybd or keybd -> ptr. This doesnt work with such devices. New test is Succeed if ptr->ptr or keybd->keybd.
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@ -272,10 +272,10 @@ ProcXChangeDeviceHierarchy(ClientPtr client)
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goto unwind;
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}
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if ((IsPointerDevice(newmaster) &&
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!IsPointerDevice(ptr)) ||
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if (!((IsPointerDevice(newmaster) &&
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IsPointerDevice(ptr)) ||
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(IsKeyboardDevice(newmaster) &&
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!IsKeyboardDevice(ptr)))
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IsKeyboardDevice(ptr))))
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{
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rc = BadDevice;
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goto unwind;
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