linux-kernel - [PATCH 03/13] USB: ch341: use get_unaligned_le16 in break

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Message-Id: <1262274489-12447-4-git-send-email-jhovold@gmail.com>
Date:	Thu, 31 Dec 2009 16:47:59 +0100
From:	Johan Hovold <jhovold@...il.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Johan Hovold <jhovold@...il.com>
Subject: [PATCH 03/13] USB: ch341: use get_unaligned_le16 in break_ctl


Signed-off-by: Johan Hovold <jhovold@...il.com>
---
 drivers/usb/serial/ch341.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 2942c6d..6230d24 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -22,6 +22,7 @@
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
 #include <linux/serial.h>
+#include <asm/unaligned.h>
 
 #define DEFAULT_BAUD_RATE 9600
 #define DEFAULT_TIMEOUT   1000
@@ -422,7 +423,7 @@ static void ch341_break_ctl(struct tty_struct *tty, int break_state)
 	}
 	dbg("%s - New ch341 break register contents - reg1: %x, reg2: %x",
 			__func__, break_reg[0], break_reg[1]);
-	reg_contents = (uint16_t)break_reg[0] | ((uint16_t)break_reg[1] << 8);
+	reg_contents = get_unaligned_le16(break_reg);
 	r = ch341_control_out(port->serial->dev, CH341_REQ_WRITE_REG,
 			ch341_break_reg, reg_contents);
 	if (r < 0)
-- 
1.6.6

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