From 4a21b8cb3550f19f838f7c48345fbbf6a0e8536b Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 16 Jul 2009 09:14:23 -0700
Subject: [PATCH] Revert "ppp: Fix throttling bugs"

This reverts commit a6540f731d506d9e82444cf0020e716613d4c46c, as
requested by Alan:

  "... as it was wrong, the pty code is now fixed and the fact this
   isn't reverted is breaking pptp setups."

Requested-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/net/ppp_async.c   | 1 +
 drivers/net/ppp_synctty.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c
index 17c116bb332c..6de8399d6dd9 100644
--- a/drivers/net/ppp_async.c
+++ b/drivers/net/ppp_async.c
@@ -356,6 +356,7 @@ ppp_asynctty_receive(struct tty_struct *tty, const unsigned char *buf,
 	if (!skb_queue_empty(&ap->rqueue))
 		tasklet_schedule(&ap->tsk);
 	ap_put(ap);
+	tty_unthrottle(tty);
 }
 
 static void
diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c
index aa3d39f38e22..d2fa2db13586 100644
--- a/drivers/net/ppp_synctty.c
+++ b/drivers/net/ppp_synctty.c
@@ -397,6 +397,7 @@ ppp_sync_receive(struct tty_struct *tty, const unsigned char *buf,
 	if (!skb_queue_empty(&ap->rqueue))
 		tasklet_schedule(&ap->tsk);
 	sp_put(ap);
+	tty_unthrottle(tty);
 }
 
 static void