From bb23f68d53a5da85c195def66ec103f086b9254b Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Thu, 31 Aug 2017 09:58:27 +1000
Subject: [PATCH] util: avoid reallocation of zero-sized memory in dpi list
 parsing

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

diff --git a/src/libratbag-util.h b/src/libratbag-util.h
index a8dcb037..02587275 100644
--- a/src/libratbag-util.h
+++ b/src/libratbag-util.h
@@ -291,6 +291,9 @@ dpi_list_from_string(const char *str)
 		index++;
 	}
 
+	if (index == 0)
+		goto err;
+
 	/* Drop empty entries for trailing semicolons */
 	list->nentries = index;
 	tmp = realloc(list->entries, index * sizeof(list->entries[0]));