From 4a0cb8f3a18b566f3644819e2ff69e07db6b5705 Mon Sep 17 00:00:00 2001
From: Philip Withnall <withnall@endlessm.com>
Date: Tue, 19 Mar 2019 11:16:39 +0000
Subject: [PATCH] =?UTF-8?q?xdgmime:=20Don=E2=80=99t=20set=20an=20out=20arg?=
 =?UTF-8?q?ument=20if=20it=E2=80=99s=20NULL?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Philip Withnall <withnall@endlessm.com>

Fixes: #1729
---
 gio/xdgmime/xdgmime.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gio/xdgmime/xdgmime.c b/gio/xdgmime/xdgmime.c
index 2446d3813..9bb93f791 100644
--- a/gio/xdgmime/xdgmime.c
+++ b/gio/xdgmime/xdgmime.c
@@ -531,7 +531,8 @@ xdg_mime_get_mime_type_for_data (const void *data,
 
   if (len == 0)
     {
-      *result_prio = 100;
+      if (result_prio != NULL)
+        *result_prio = 100;
       return XDG_MIME_TYPE_EMPTY;
     }