From a3ab09f90f83e09578985fbac39e39121d084b75 Mon Sep 17 00:00:00 2001
From: Timothy Arceri <tarceri@itsqueeze.com>
Date: Tue, 7 Feb 2017 12:10:19 +1100
Subject: [PATCH] util/disk_cache: check cache exists before calling munmap()
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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
---
 src/util/disk_cache.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/util/disk_cache.c b/src/util/disk_cache.c
index 250c3316244..1f4e8960e9e 100644
--- a/src/util/disk_cache.c
+++ b/src/util/disk_cache.c
@@ -377,7 +377,8 @@ disk_cache_create(const char *gpu_name, const char *timestamp)
 void
 disk_cache_destroy(struct disk_cache *cache)
 {
-   munmap(cache->index_mmap, cache->index_mmap_size);
+   if (cache)
+      munmap(cache->index_mmap, cache->index_mmap_size);
 
    ralloc_free(cache);
 }
-- 
2.30.2