>From c6f24d39f25cbedfba6f728da48e9666d7240894 Mon Sep 17 00:00:00 2001
From: Bernhard Voelker <address@hidden>
Date: Thu, 18 Apr 2019 23:04:26 +0200
Subject: [PATCH] ino-map: allow free on NULL

* lib/ino-map.c (ino_map_free): Do nothing when MAP is NULL.
Since commit 3703dbbe88dd, di_set_free calls ino_map_free which may
be NULL.
---
 ChangeLog     | 7 +++++++
 lib/ino-map.c | 9 ++++++---
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 398c33968..1d96402d8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2019-04-18  Bernhard Voelker  <address@hidden>
+
+	ino-map: allow free on NULL.
+	* lib/ino-map.c (ino_map_free): Do nothing when MAP is NULL.
+	Since commit 3703dbbe88dd, di_set_free calls ino_map_free which may
+	be NULL.
+
 2019-04-14  Paul Eggert  <address@hidden>
 
 	* lib/str-two-way.h: Fix comment typo.
diff --git a/lib/ino-map.c b/lib/ino-map.c
index c48defa65..9d6bd0894 100644
--- a/lib/ino-map.c
+++ b/lib/ino-map.c
@@ -105,9 +105,12 @@ ino_map_alloc (size_t next_mapped_ino)
 void
 ino_map_free (struct ino_map *map)
 {
-  hash_free (map->map);
-  free (map->probe);
-  free (map);
+  if (map)
+    {
+      hash_free (map->map);
+      free (map->probe);
+      free (map);
+    }
 }
 
 
-- 
2.21.0