From 2734bc17de6bf58a1e9bbcec0a6c98f77dc2cf6c Mon Sep 17 00:00:00 2001
From: Yaroslav Chvanov <yaroslav.chvanov@gmail.com>
Date: Mon, 6 Mar 2023 23:41:40 +0300
Subject: [PATCH] libratbag-util: make dpi_list_free() be able to take NULL

free() can take NULL without errors, and so should such helper.
---
 src/libratbag-util.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/libratbag-util.h b/src/libratbag-util.h
index ed431d8e..9c9829be 100644
--- a/src/libratbag-util.h
+++ b/src/libratbag-util.h
@@ -264,6 +264,8 @@ struct dpi_list {
 static inline void
 dpi_list_free(struct dpi_list *list)
 {
+	if (list == NULL)
+		return;
 	free(list->entries);
 	free(list);
 }