From f6d2d421470a566cca05ceede788d61a0773e276 Mon Sep 17 00:00:00 2001
From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Sat, 12 Oct 2013 13:43:07 -0400
Subject: Make sure that we don't dereference NULL

The code was actually safe, because b should
never be null, because if rvalue is empty, a different
branch is taken. But we *do* check for NULL in the
loop above, so it's better to also check here for symmetry.
---
 src/core/load-fragment.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/core')

diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index 44920d6449..f01843d65e 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -1860,7 +1860,8 @@ int config_parse_documentation(const char *unit,
                         free(*a);
                 }
         }
-        *b = NULL;
+        if (b)
+                *b = NULL;
 
         return r;
 }
-- 
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