From b8d798158bce0068260302371afb2b4ab4d3678a Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon@gmx.de>
Date: Thu, 9 Oct 2014 10:13:50 +0200
Subject: [PATCH] fixed bug #43389 dns_recv() res_idx calculate error

---
 src/core/dns.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/dns.c b/src/core/dns.c
index 93657f94..45b416b4 100644
--- a/src/core/dns.c
+++ b/src/core/dns.c
@@ -1083,7 +1083,7 @@ dns_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t
             /* deallocate memory and return */
             goto memerr;
           } else {
-            res_idx = SIZEOF_DNS_ANSWER + htons(ans.len);
+            res_idx += SIZEOF_DNS_ANSWER + htons(ans.len);
           }
           --nanswers;
         }