From 5e81e8675a020ecd493620a4ff38db8fcf4b972a Mon Sep 17 00:00:00 2001
From: Shugo Maeda <shugo@ruby-lang.org>
Date: Tue, 19 May 2020 17:46:21 +0900
Subject: [PATCH] Ignore exceptions when closing data connections [Bug #16780]

Patch by koshigoe (Masataka SUZUKI). Thanks!
---
 lib/net/ftp.rb | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/lib/net/ftp.rb b/lib/net/ftp.rb
index 307b40e6dd..eedb88c49f 100644
--- a/lib/net/ftp.rb
+++ b/lib/net/ftp.rb
@@ -634,9 +634,9 @@ module Net
             while data = conn.read(blocksize)
               yield(data)
             end
-            conn.shutdown(Socket::SHUT_WR)
+            conn.shutdown(Socket::SHUT_WR) rescue nil
             conn.read_timeout = 1
-            conn.read
+            conn.read rescue nil
           ensure
             conn.close if conn
           end
@@ -659,9 +659,9 @@ module Net
             while line = conn.gets
               yield(line.sub(/\r?\n\z/, ""), !line.match(/\n\z/).nil?)
             end
-            conn.shutdown(Socket::SHUT_WR)
+            conn.shutdown(Socket::SHUT_WR) rescue nil
             conn.read_timeout = 1
-            conn.read
+            conn.read rescue nil
           ensure
             conn.close if conn
           end
@@ -688,9 +688,9 @@ module Net
               conn.write(buf)
               yield(buf) if block_given?
             end
-            conn.shutdown(Socket::SHUT_WR)
+            conn.shutdown(Socket::SHUT_WR) rescue nil
             conn.read_timeout = 1
-            conn.read
+            conn.read rescue nil
           ensure
             conn.close if conn
           end
@@ -724,9 +724,9 @@ module Net
               conn.write(buf)
               yield(buf) if block_given?
             end
-            conn.shutdown(Socket::SHUT_WR)
+            conn.shutdown(Socket::SHUT_WR) rescue nil
             conn.read_timeout = 1
-            conn.read
+            conn.read rescue nil
           ensure
             conn.close if conn
           end