From 97bfc861657eae08bad06a1a7f807925b33ac669 Mon Sep 17 00:00:00 2001
From: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Date: Fri, 4 Sep 2015 11:50:24 -0400
Subject: [PATCH] prevent a segfault in sanity_check_device

If a device has missing profiles, profile will be null and we will
have a segfault.
Better say that the device failed the sanity check.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
---
 src/libratbag.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libratbag.c b/src/libratbag.c
index 471b2ab2..18a2035e 100644
--- a/src/libratbag.c
+++ b/src/libratbag.c
@@ -324,6 +324,9 @@ ratbag_sanity_check_device(struct ratbag_device *device)
 	nprofiles = ratbag_device_get_num_profiles(device);
 	for (i = 0; i < nprofiles; i++) {
 		profile = ratbag_device_get_profile_by_index(device, i);
+		if (!profile)
+			goto out;
+
 		/* Allow max 1 default profile */
 		if (profile->is_default) {
 			if (has_default) {