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: Tue, 6 Mar 2012 14:21:08 +0300 [thread overview]
Message-ID: <20120306112108.GA4362@elgon.mountain> (raw)
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;
747 *pc |= PCAN_USB_STATUSLEN_EXT_ID;
748 memcpy(++pc, &tmp32, 4);
749 pc += 4;
750 } else {
751 __le16 tmp16 = cpu_to_le32(cf->can_id & CAN_ERR_MASK);
^^^^^^^^^^^^
A little endian 32 bit can't fit here.
752
753 tmp16 <<= 5;
754 memcpy(++pc, &tmp16, 2);
755 pc += 2;
regards,
dan carpenter
next reply other threads:[~2012-03-06 11:21 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-06 11:21 Dan Carpenter [this message]
2012-03-07 8:56 ` can: usb: PEAK-System Technik PCAN-USB specific part 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
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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