USB: ch341: use get_unaligned_le16 in break_ctl

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 4fd01d6..6230d24 100644 (file)
--- 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 = le16_to_cpup((uint16_t *)break_reg);
+       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)