From 1df73161952843c5e2436cef2e04be6414985c00 Mon Sep 17 00:00:00 2001
From: Yaroslav Chvanov <yaroslav.chvanov@gmail.com>
Date: Sun, 5 Mar 2023 16:26:29 +0300
Subject: [PATCH] libratbag: check if driver supports committing

There could be segmentation faults with the openinput driver.
---
 src/libratbag.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/libratbag.c b/src/libratbag.c
index 1ee7d421..d87ad121 100644
--- a/src/libratbag.c
+++ b/src/libratbag.c
@@ -864,6 +864,12 @@ ratbag_device_commit(struct ratbag_device *device)
 	struct ratbag_resolution *resolution;
 	int rc;
 
+	if (device->driver->commit == NULL) {
+		log_error(device->ratbag,
+			  "Trying to commit with a driver that doesn't support committing\n");
+		return RATBAG_ERROR_CAPABILITY;
+	}
+
 	rc = device->driver->commit(device);
 	if (rc)
 		return RATBAG_ERROR_DEVICE;