From 1b032c687deba56230f89ff5217e0a0ea445698f Mon Sep 17 00:00:00 2001
From: Russell Coker <russell@coker.com.au>
Date: Sun, 24 Nov 2002 12:02:02 +0000
Subject: [PATCH] Added a fix for a situation where pppd would hang
 indefinately on exit.

---
 pppd/sys-linux.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pppd/sys-linux.c b/pppd/sys-linux.c
index c86a516..5751651 100644
--- a/pppd/sys-linux.c
+++ b/pppd/sys-linux.c
@@ -517,7 +517,10 @@ void tty_disestablish_ppp(int tty_fd)
  * Flush the tty output buffer so that the TIOCSETD doesn't hang.
  */
 	if (tcflush(tty_fd, TCIOFLUSH) < 0)
+	{
 	    warn("tcflush failed: %m");
+	    goto flushfailed;
+	}
 /*
  * Restore the previous line discipline
  */
@@ -537,6 +540,7 @@ void tty_disestablish_ppp(int tty_fd)
 		warn("Couldn't restore device fd flags: %m");
 	}
     }
+flushfailed:
     initfdflags = -1;
 
     generic_disestablish_ppp(tty_fd);
-- 
2.39.2