From 75b3dd4cbffb6e4534128278300ed6c8a3ab7506 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Fri, 23 Feb 2018 11:03:38 +0100
Subject: Update NSPR to 4.18

---
 nsprpub/pr/src/md/windows/w95sock.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'nsprpub/pr/src/md/windows/w95sock.c')

diff --git a/nsprpub/pr/src/md/windows/w95sock.c b/nsprpub/pr/src/md/windows/w95sock.c
index 0429c655a..c6a3ec111 100644
--- a/nsprpub/pr/src/md/windows/w95sock.c
+++ b/nsprpub/pr/src/md/windows/w95sock.c
@@ -382,6 +382,11 @@ PRInt32
 _PR_MD_TCPSENDTO(PRFileDesc *fd, const void *buf, PRInt32 amount, PRIntn flags,
                  const PRNetAddr *addr, PRUint32 addrlen, PRIntervalTime timeout)
 {
+    if (!_fd_waiting_for_overlapped_done_lock) {
+        PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+        return PR_FAILURE;
+    }
+
     if (PR_CallOnce(&_pr_has_connectex_once, _pr_set_connectex) != PR_SUCCESS) {
         PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
         return PR_FAILURE;
-- 
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