From a3c3f47e17ff08343c16cb684867d9b5cb78ec0d Mon Sep 17 00:00:00 2001
From: marcbou <marcbou>
Date: Thu, 16 Aug 2007 20:08:33 +0000
Subject: [PATCH] lwip_close(): call netconn_delete() under socksem to properly
 handle concurrent closes.

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

diff --git a/src/api/sockets.c b/src/api/sockets.c
index 08bd846c..11a1a2df 100644
--- a/src/api/sockets.c
+++ b/src/api/sockets.c
@@ -299,9 +299,9 @@ lwip_close(int s)
     return -1;
   }
 
+  sys_sem_wait(socksem);
   netconn_delete(sock->conn);
 
-  sys_sem_wait(socksem);
   if (sock->lastdata) {
     netbuf_delete(sock->lastdata);
   }