linux-kernel - [PATCH 3.2 118/185] USB: mos7840: correct handling of CS5 setting

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Date:	Sun, 29 Dec 2013 03:08:44 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org, "Johan Hovold" <jhovold@...il.com>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	"Colin Leitner" <colin.leitner@...il.com>,
	"Colin Leitner" <colin.leitner@...glemail.com>
Subject: [PATCH 3.2 118/185] USB: mos7840: correct handling of CS5 setting

3.2.54-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Colin Leitner <colin.leitner@...glemail.com>

commit 78692cc3382e0603a47e1f2aaeffe0d99891994d upstream.

This patch removes an erroneous check of CSIZE, which made it impossible to set
CS5.

Compiles clean, but couldn't test against hardware.

Signed-off-by: Colin Leitner <colin.leitner@...il.com>
Signed-off-by: Johan Hovold <jhovold@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/usb/serial/mos7840.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1987,25 +1987,25 @@ static void mos7840_change_port_settings
 	iflag = tty->termios->c_iflag;
 
 	/* Change the number of bits */
-	if (cflag & CSIZE) {
-		switch (cflag & CSIZE) {
-		case CS5:
-			lData = LCR_BITS_5;
-			break;
+	switch (cflag & CSIZE) {
+	case CS5:
+		lData = LCR_BITS_5;
+		break;
 
-		case CS6:
-			lData = LCR_BITS_6;
-			break;
+	case CS6:
+		lData = LCR_BITS_6;
+		break;
 
-		case CS7:
-			lData = LCR_BITS_7;
-			break;
-		default:
-		case CS8:
-			lData = LCR_BITS_8;
-			break;
-		}
+	case CS7:
+		lData = LCR_BITS_7;
+		break;
+
+	default:
+	case CS8:
+		lData = LCR_BITS_8;
+		break;
 	}
+
 	/* Change the Parity bit */
 	if (cflag & PARENB) {
 		if (cflag & PARODD) {

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