From 60a45db69ea8b26301674a6e120d93485dad241a Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Fri, 19 Jan 2018 02:44:18 +0100
Subject: [PATCH] Update filestream_getline to prevent heap corruption

---
 libretro-common/streams/file_stream.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libretro-common/streams/file_stream.c b/libretro-common/streams/file_stream.c
index 2e72402f45..6f4ca78475 100644
--- a/libretro-common/streams/file_stream.c
+++ b/libretro-common/streams/file_stream.c
@@ -478,7 +478,8 @@ char *filestream_getline(RFILE *stream)
 
          if (!newline_tmp)
          {
-            free(newline);
+            if (newline)
+               free(newline);
             return NULL;
          }