From 00e87078302dcfca3b6ad04fd5af5d8f473171a9 Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Fri, 2 Mar 2018 23:33:05 +0100
Subject: [PATCH] Cygwin: accept4: Fix resource leak

The new implementation neglected to release the file descriptor
in case of error.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
---
 winsup/cygwin/fhandler_socket_inet.cc  | 2 ++
 winsup/cygwin/fhandler_socket_local.cc | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/winsup/cygwin/fhandler_socket_inet.cc b/winsup/cygwin/fhandler_socket_inet.cc
index a3aeccc82..e65acffdf 100644
--- a/winsup/cygwin/fhandler_socket_inet.cc
+++ b/winsup/cygwin/fhandler_socket_inet.cc
@@ -895,6 +895,8 @@ fhandler_socket_inet::accept4 (struct sockaddr *peer, int *len, int flags)
 		  *len = llen;
 		}
 	    }
+	  else
+	    fd.release ();
 	}
       if (ret == -1)
 	::closesocket (res);
diff --git a/winsup/cygwin/fhandler_socket_local.cc b/winsup/cygwin/fhandler_socket_local.cc
index 844cb9d11..11f2c209e 100644
--- a/winsup/cygwin/fhandler_socket_local.cc
+++ b/winsup/cygwin/fhandler_socket_local.cc
@@ -1012,6 +1012,8 @@ fhandler_socket_local::accept4 (struct sockaddr *peer, int *len, int flags)
 		  *len = (int) sizeof (un.sun_family);
 		}
 	    }
+	  else
+	    fd.release ();
 	}
       if (ret == -1)
 	::closesocket (res);