From d2114be6f333a47cc2024d2fff7d9ccedc2968d6 Mon Sep 17 00:00:00 2001
From: Evgeniy Khramtsov <ekhramtsov@process-one.net>
Date: Sat, 19 May 2018 18:29:33 +0300
Subject: [PATCH] Correctly calculate remaining bytes on file upload

---
 src/ejabberd_http.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ejabberd_http.erl b/src/ejabberd_http.erl
index 167d2a5aa..e3cba3d95 100644
--- a/src/ejabberd_http.erl
+++ b/src/ejabberd_http.erl
@@ -617,7 +617,7 @@ do_recv_file(Len, SockMod, Socket, Fd) ->
     try
 	{ok, Data} = SockMod:recv(Socket, ChunkLen, timer:seconds(30)),
 	ok = file:write(Fd, Data),
-	do_recv_file(Len-ChunkLen, SockMod, Socket, Fd)
+	do_recv_file(Len-size(Data), SockMod, Socket, Fd)
     catch _:{badmatch, {error, _} = Err} ->
 	    file:close(Fd),
 	    Err