From 4f9c0839fb1059c001422d64af2e337c1c0c52d9 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Mon, 9 Dec 2013 16:34:49 +1000
Subject: [PATCH] udev: fail libinput_create_from_udev for NULL values

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
 src/udev-seat.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/udev-seat.c b/src/udev-seat.c
index e6ff91c1..29d4fa02 100644
--- a/src/udev-seat.c
+++ b/src/udev-seat.c
@@ -332,6 +332,9 @@ libinput_create_from_udev(const struct libinput_interface *interface,
 {
 	struct udev_input *input;
 
+	if (!interface || !udev || !seat_id)
+		return NULL;
+
 	input = zalloc(sizeof *input);
 	if (!input)
 		return NULL;