net.c: Never pass NULL to freeaddrinfo()

It's possible for n->nfo to be NULL in that case, and freeaddrinfo() is
not documented to handle NULL.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/net.c b/src/net.c
index f981c30..31ecd2f 100644
--- a/src/net.c
+++ b/src/net.c
@@ -1048,7 +1048,8 @@ static void dnscon_free(dnscon_t *r) {
   g_free(r->err);
   g_free(r->addr);
   g_free(r->laddr);
-  freeaddrinfo(r->nfo);
+  if(r->nfo)
+    freeaddrinfo(r->nfo);
   g_slice_free(dnscon_t, r);
 }