linux-kernel - [PATCH] usb: fix warning in usbtest module v2

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Date:	Sun,  8 May 2011 22:51:43 -0500
From:	Greg Dietsche <Gregory.Dietsche@....edu>
To:	gregkh@...e.de
Cc:	mfuzzey@...il.com, tom.leiming@...il.com, ak@...ux.intel.com,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Greg Dietsche <Gregory.Dietsche@....edu>
Subject: [PATCH] usb: fix warning in usbtest module v2

On amd64 unsigned is not as wide as pointer and this causes a compiler 
warning. Switching to unsigned long corrects the problem.

Signed-off-by: Greg Dietsche <Gregory.Dietsche@....edu>
---
 drivers/usb/misc/usbtest.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 388cc12..a5b505a 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -268,9 +268,9 @@ static inline void simple_fill_buf(struct urb *urb)
 	}
 }
 
-static inline unsigned buffer_offset(void *buf)
+static inline unsigned long buffer_offset(void *buf)
 {
-	return (unsigned)buf & (ARCH_KMALLOC_MINALIGN - 1);
+	return (unsigned long)buf & (ARCH_KMALLOC_MINALIGN - 1);
 }
 
 static int check_guard_bytes(struct usbtest_dev *tdev, struct urb *urb)
@@ -329,7 +329,7 @@ static int simple_check_buf(struct usbtest_dev *tdev, struct urb *urb)
 
 static void simple_free_urb(struct urb *urb)
 {
-	unsigned offset = buffer_offset(urb->transfer_buffer);
+	unsigned long offset = buffer_offset(urb->transfer_buffer);
 
 	if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP)
 		usb_free_coherent(
-- 
1.7.2.5

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