From d0af7f2851b1d6b8d0aed79e9647ce0502388d07 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Fri, 2 May 2014 07:53:24 +1000
Subject: [PATCH] Ignore NULL as argument in libevdev_uinput_destroy()

Triggered by the tests when run as non-root. Simply ignore any attempt to
destroy a NULL device, which also matches the behaviour of libevdev_free().

Reported-by: Andreas Radke <a.radke@arcor.de>
Reviewed-by: Daniel Martin <consume.noise@gmail.com>
Tested-by: Daniel Martin <consume.noise@gmail.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
 libevdev/libevdev-uinput.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libevdev/libevdev-uinput.c b/libevdev/libevdev-uinput.c
index 0543bc4..f176a00 100644
--- a/libevdev/libevdev-uinput.c
+++ b/libevdev/libevdev-uinput.c
@@ -334,6 +334,9 @@ error:
 LIBEVDEV_EXPORT void
 libevdev_uinput_destroy(struct libevdev_uinput *uinput_dev)
 {
+	if (!uinput_dev)
+		return;
+
 	ioctl(uinput_dev->fd, UI_DEV_DESTROY, NULL);
 	if (uinput_dev->fd_is_managed)
 		close(uinput_dev->fd);