Set s->d1 to NULL after freeing it.

diff --git a/ssl/d1_lib.c b/ssl/d1_lib.c
index ddbb78a199a7b764f4a723048a579c1d3b2c94d4..b70bce68ad0eb24dcadcfbbd0982f6bd27f32e67 100644 (file)
--- a/ssl/d1_lib.c
+++ b/ssl/d1_lib.c
@@ -222,6 +222,7 @@ void dtls1_free(SSL *s)
        pqueue_free(s->d1->buffered_app_data.q);
 
        OPENSSL_free(s->d1);
+       s->d1 = NULL;
        }
 
 void dtls1_clear(SSL *s)