From 1dd95fcb8bb9b5feeabee0dfe334448733f5cb4c Mon Sep 17 00:00:00 2001
From: Serge van den Boom <svdb+freedesktop.org@stack.nl>
Date: Sun, 5 Apr 2009 19:00:18 -0400
Subject: [PATCH] Correctly handle mmap() failure (#21062)

---
 src/fccache.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/fccache.c b/src/fccache.c
index 63319f6..69e1a6b 100644
--- a/src/fccache.c
+++ b/src/fccache.c
@@ -553,6 +553,8 @@ FcDirCacheMapFd (int fd, struct stat *fd_stat, struct stat *dir_stat)
     {
 #if defined(HAVE_MMAP) || defined(__CYGWIN__)
 	cache = mmap (0, fd_stat->st_size, PROT_READ, MAP_SHARED, fd, 0);
+	if (cache == MAP_FAILED)
+	    cache = NULL;
 #elif defined(_WIN32)
 	{
 	    HANDLE hFileMap;
-- 
2.39.5