linux-kernel - [PATCH 05/13] USB: cypress_m8: fix endianess bug and alignment

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Date:	Thu, 31 Dec 2009 16:48:01 +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>,
	Lonnie Mendez <dignome@...il.com>
Subject: [PATCH 05/13] USB: cypress_m8: fix endianess bug and alignment

Cc: Lonnie Mendez <dignome@...il.com>
Signed-off-by: Johan Hovold <jhovold@...il.com>
---
 drivers/usb/serial/cypress_m8.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 1ce1a3a..b19e16a 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -66,6 +66,7 @@
 #include <linux/serial.h>
 #include <linux/delay.h>
 #include <linux/uaccess.h>
+#include <asm/unaligned.h>
 
 #include "cypress_m8.h"
 
@@ -376,7 +377,7 @@ static int cypress_serial_control(struct tty_struct *tty,
 					__func__, new_baudrate);
 
 		/* fill the feature_buffer with new configuration */
-		*((u_int32_t *)feature_buffer) = new_baudrate;
+		put_unaligned_le32(new_baudrate, feature_buffer);
 		feature_buffer[4] |= data_bits;   /* assign data bits in 2 bit space ( max 3 ) */
 		/* 1 bit gap */
 		feature_buffer[4] |= (stop_bits << 3);   /* assign stop bits in 1 bit space */
@@ -453,7 +454,7 @@ static int cypress_serial_control(struct tty_struct *tty,
 			/* store the config in one byte, and later
 			   use bit masks to check values */
 			priv->current_config = feature_buffer[4];
-			priv->baud_rate = *((u_int32_t *)feature_buffer);
+			priv->baud_rate = get_unaligned_le32(feature_buffer);
 			spin_unlock_irqrestore(&priv->lock, flags);
 		}
 	}
-- 
1.6.6

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