From 2a71b33233808bb47888056e8c6b6e9dde82977b Mon Sep 17 00:00:00 2001
From: Azat Khuzhin <a3at.mail@gmail.com>
Date: Thu, 31 Mar 2016 20:45:47 +0300
Subject: [PATCH] listener: unlock lev on error in listener_read_cb()

Without this patch:
  $ regress --no-fork +listener/error_unlock
  listener/error_unlock: [warn] Error from accept() call: Too many open files
  [err] ../evthread.c:220: Assertion lock->count == 0 failed in ../evthread.c
  Aborted (core dumped)

Fixes: #341
Fixes: listener/error_unlock
---
 listener.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/listener.c b/listener.c
index 2af14e3a..2862d32e 100644
--- a/listener.c
+++ b/listener.c
@@ -442,6 +442,7 @@ listener_read_cb(evutil_socket_t fd, short what, void *p)
 		listener_decref_and_unlock(lev);
 	} else {
 		event_sock_warn(fd, "Error from accept() call");
+		UNLOCK(lev);
 	}
 }