From 99dc8bf4e9535fd769e44d04f1b91d4929c83555 Mon Sep 17 00:00:00 2001
From: Xiang Xiao <xiaoxiang@xiaomi.com>
Date: Tue, 31 Mar 2020 19:26:50 +0800
Subject: [PATCH] libc/netdb: Return EAI_FAMILY in getaddrinfo if the final
 address is empty

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I510d4e8f79d2b4e78c550b35b7b07f2d0943e32d
---
 libs/libc/netdb/lib_getaddrinfo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/libc/netdb/lib_getaddrinfo.c b/libs/libc/netdb/lib_getaddrinfo.c
index 797006617f0..88c348240ae 100644
--- a/libs/libc/netdb/lib_getaddrinfo.c
+++ b/libs/libc/netdb/lib_getaddrinfo.c
@@ -333,7 +333,7 @@ int getaddrinfo(FAR const char *hostname, FAR const char *servname,
           prev_ai = ai;
         }
 
-      return OK;
+      return (*res != NULL) ? OK : EAI_FAMILY;
     }
 
   return h_errno;