[PATCH] dnsproxy: Don't try to destroy NULL hashtable on exit

[Slava Monich]

glib doesn't like it.
---
 src/dnsproxy.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/dnsproxy.c b/src/dnsproxy.c
index 9d7ba61..9787b68 100644
--- a/src/dnsproxy.c
+++ b/src/dnsproxy.c
@@ -3872,8 +3872,10 @@ void __connman_dnsproxy_cleanup(void)
                cache_timer = 0;
        }
 
-       g_hash_table_destroy(cache);
-       cache = NULL;
+       if (cache) {
+               g_hash_table_destroy(cache);
+               cache = NULL;
+       }
 
        connman_notifier_unregister(&dnsproxy_notifier);
 
-- 
1.8.3.2

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