linux-kernel - [PATCH] USB: pl2303: fix error characters not being reported to ldisc

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Message-ID: <20091008093646.GA14695@localhost>
Date:	Thu, 8 Oct 2009 11:36:46 +0200
From:	Johan Hovold <jhovold@...il.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>,
	Alan Cox <alan@...ux.intel.com>
Cc:	Frank Schaefer <schaefer.frank@....net>,
	Jason Wessel <jason.wessel@...driver.com>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] USB: pl2303: fix error characters not being reported to
 ldisc

Fix regression introduced by commit
d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6 (tty: Fix the PL2303 private
methods for sysrq).

Signed-off-by: Johan Hovold <jhovold@...il.com>
---
 drivers/usb/serial/pl2303.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 1128e01..9ec1a49 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -1046,13 +1046,15 @@ static void pl2303_push_data(struct tty_struct *tty,
 	/* overrun is special, not associated with a char */
 	if (line_status & UART_OVERRUN_ERROR)
 		tty_insert_flip_char(tty, 0, TTY_OVERRUN);
-	if (port->console && port->sysrq) {
+
+	if (tty_flag == TTY_NORMAL && !(port->console && port->sysrq))
+		tty_insert_flip_string(tty, data, urb->actual_length);
+	else {
 		int i;
 		for (i = 0; i < urb->actual_length; ++i)
 			if (!usb_serial_handle_sysrq_char(tty, port, data[i]))
 				tty_insert_flip_char(tty, data[i], tty_flag);
-	} else
-		tty_insert_flip_string(tty, data, urb->actual_length);
+	}
 	tty_flip_buffer_push(tty);
 }
 
-- 
1.6.5.rc2

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