[PATCH 6/6] maps.c: only close() if fd is valid

[Mikko Rapeli]

Fixes Coverity CID 1042340.

Signed-off-by: Mikko Rapeli <mikko.rap...@iki.fi>
---
 maps.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/maps.c b/maps.c
index 62b2328..b61575e 100644
--- a/maps.c
+++ b/maps.c
@@ -114,7 +114,8 @@ static void * alloc_zero_map(struct map *map, int prot, 
const char *name)
        output(2, "mapping[%d]: (zeropage %s) %p (%lu bytes)\n",
                        num_mappings - 1, name, tmpmap->ptr, size);
 
-       close(fd);
+       if (fd >= 0)
+               close(fd);
        return tmpmap;
 }
 
-- 
1.8.3.1

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