From 488a0fd360a54249305673c78f86bb6de815b468 Mon Sep 17 00:00:00 2001
From: armink <armink.ztl@gmail.com>
Date: Sun, 27 May 2018 21:30:04 +0800
Subject: [PATCH] [fs][net] Add lwIP version check on setsockopt().

---
 components/dfs/filesystems/net/net_sockets.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/components/dfs/filesystems/net/net_sockets.c b/components/dfs/filesystems/net/net_sockets.c
index 4f33571129..d4b6ea9e31 100644
--- a/components/dfs/filesystems/net/net_sockets.c
+++ b/components/dfs/filesystems/net/net_sockets.c
@@ -223,6 +223,10 @@ int setsockopt(int s, int level, int optname, const void *optval, socklen_t optl
 {
     int sock = dfs_net_getsocket(s);
 
+#if LWIP_VERSION_MAJOR < 2U
+#error "Your lwIP version is not supported. Please using lwIP 2.0.0+."
+#endif
+
     return lwip_setsockopt(sock, level, optname, optval, optlen);
 }
 RTM_EXPORT(setsockopt);
@@ -346,4 +350,3 @@ int ioctlsocket(int s, long cmd, void *arg)
     return lwip_ioctl(sock, cmd, arg);
 }
 RTM_EXPORT(ioctlsocket);
-