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From: Dan Carpenter <dan.carpenter@oracle.com>
To: s.grosjean@peak-system.com
Cc: linux-can@vger.kernel.org
Subject: Re: can: usb: PEAK-System Technik PCAN-USB specific part
Date: Wed, 7 Mar 2012 15:21:12 +0300	[thread overview]
Message-ID: <20120307122112.GC674@mwanda> (raw)
In-Reply-To: <20120306112108.GA4362@elgon.mountain>

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On Tue, Mar 06, 2012 at 02:21:08PM +0300, Dan Carpenter wrote:
> Hello Stephane Grosjean,
> 
> The patch 46be265d3388: "can: usb: PEAK-System Technik PCAN-USB 
> specific part" from Mar 2, 2012, leads to the following warning:
> 
> drivers/net/can/usb/peak_usb/pcan_usb.c:751 pcan_usb_encode_msg()
> 	 error: wrong number of bits for 'cpu_to_le32' (16 vs 32)
> 
> drivers/net/can/usb/peak_usb/pcan_usb.c
>    742          /* can id */
>    743          if (cf->can_id & CAN_EFF_FLAG) {
>    744                  __le32 tmp32 = cpu_to_le32(cf->can_id & CAN_ERR_MASK);
>    745  
>    746                  tmp32 <<= 3;

Also we can't be doing this shift on little endian data.

>    747                  *pc |= PCAN_USB_STATUSLEN_EXT_ID;
>    748                  memcpy(++pc, &tmp32, 4);
>    749                  pc += 4;

regards,
dan carpenter


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  parent reply	other threads:[~2012-03-07 12:18 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-06 11:21 can: usb: PEAK-System Technik PCAN-USB specific part Dan Carpenter
2012-03-07  8:56 ` Stephane Grosjean
2012-03-07  9:24   ` Marc Kleine-Budde
2012-03-07 11:16     ` Stephane Grosjean
2012-03-07  9:05 ` Stephane Grosjean
2012-03-07 12:21 ` Dan Carpenter [this message]
2012-03-07 12:29   ` Marc Kleine-Budde
2012-03-07 13:17     ` Dan Carpenter
2012-03-07 13:26       ` Marc Kleine-Budde
2012-03-07 13:36         ` Dan Carpenter
2012-03-07 13:43           ` Marc Kleine-Budde
2012-03-07 14:05         ` Stephane Grosjean
2012-03-07 14:07           ` Marc Kleine-Budde
2012-03-07 14:13             ` Stephane Grosjean

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