From f957dfb1de37e563d3aa2a1bbe3d1e3497c76de5 Mon Sep 17 00:00:00 2001
From: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Date: Thu, 24 Apr 2014 15:11:14 +0300
Subject: [PATCH] libinput: Don't process touch events for devices without a
 valid output

That would be the case of a touch screen mapped to an output that was
unplugged.
---
 src/libinput-device.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libinput-device.c b/src/libinput-device.c
index 0ca6c4ba..a67c1199 100644
--- a/src/libinput-device.c
+++ b/src/libinput-device.c
@@ -147,6 +147,9 @@ handle_touch_with_coords(struct libinput_device *libinput_device,
 	uint32_t time;
 	int32_t slot;
 
+	if (!device->output)
+		return;
+
 	time = libinput_event_touch_get_time(touch_event);
 	slot = libinput_event_touch_get_seat_slot(touch_event);