From a0b3c1b46762cb7f12aececd0e29838eedabe872 Mon Sep 17 00:00:00 2001
From: Rene Kita <mail@rkta.de>
Date: Fri, 15 Apr 2022 12:43:36 +0200
Subject: [PATCH] Fix potential null dereference

---
 etc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/etc.c b/etc.c
index d50adad..805bfa0 100644
--- a/etc.c
+++ b/etc.c
@@ -1596,7 +1596,8 @@ file_to_url(char *file)
     char *host = NULL;
 #endif
 
-    file = expandPath(file);
+    if (!(file = expandPath(file)))
+	return NULL;
 #ifdef SUPPORT_NETBIOS_SHARE
     if (file[0] == '/' && file[1] == '/') {
 	char *p;