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From 9a84abe8bd4951f8674e172acf1335d3be961d73 Mon Sep 17 00:00:00 2001
From: Martin Frodl <mfrodl@redhat.com>
Date: Mon, 24 Oct 2016 17:44:45 +0200
Subject: [PATCH] nss: fix tight loop in non-blocking TLS handhsake over proxy

... in case the handshake completes before entering
CURLM_STATE_PROTOCONNECT

Bug: https://bugzilla.redhat.com/1388162

Upstream-commit: eb84412b33aa9cbe109d3e2874f9dbba48043263
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
 lib/nss.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/nss.c b/lib/nss.c
index 36c100d..848ce86 100644
--- a/lib/nss.c
+++ b/lib/nss.c
@@ -1603,8 +1603,11 @@ static CURLcode nss_connect_common(struct connectdata *conn, int sockindex,
   const bool blocking = (done == NULL);
   CURLcode rv;
 
-  if(connssl->state == ssl_connection_complete)
+  if(connssl->state == ssl_connection_complete) {
+    if(!blocking)
+      *done = TRUE;
     return CURLE_OK;
+  }
 
   if(connssl->connecting_state == ssl_connect_1) {
     rv = nss_setup_connect(conn, sockindex);
-- 
2.7.4