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From: Karthik Manamcheri <Karthik.Manamcheri@ni.com>
To: linux-serial@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
	Karthik Manamcheri <Karthik.Manamcheri@ni.com>
Subject: [PATCH] n_tty: Unthrottle tty when flushing read buffer
Date: Wed, 23 Jan 2013 16:36:18 -0600	[thread overview]
Message-ID: <1358980578-8811-1-git-send-email-Karthik.Manamcheri@ni.com> (raw)

When the tty input buffer is full and thereby throttled,
flushing/resetting the read buffer should unthrottle to allow more
data to be received.

Signed-off-by: Karthik Manamcheri <Karthik.Manamcheri@ni.com>
---
 drivers/tty/n_tty.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 19083efa2314660b25e0fb5bc793af6fb7e9af57..d5cea3bb01eaeec61b577de6c58a8000412c0c37 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -229,6 +229,8 @@ static void reset_buffer_flags(struct tty_struct *tty)
 	ldata->canon_head = ldata->canon_data = ldata->erasing = 0;
 	bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE);
 	n_tty_set_room(tty);
+
+	check_unthrottle(tty);
 }
 
 /**
-- 
1.8.1.1


             reply	other threads:[~2013-01-23 22:36 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-23 22:36 Karthik Manamcheri [this message]
2013-01-28 21:38 ` [PATCH] n_tty: Unthrottle tty when flushing read buffer Peter Hurley
2013-01-28 22:17 ` Ilya Zykov
2013-01-30  4:36   ` Greg Kroah-Hartman

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