kernel/git/stable/linux.git/drivers/net/can, branch linux-3.11.y

can: c_can: Fix RX message handling, handle lost message before EOB

2013-11-29T18:42:15+00:00

commit 5d0f801a2ccec3b1fdabc3392c8d99ed0413d216 upstream. If we handle end of block messages with higher priority than a lost message, we can run into an endless interrupt loop. This is reproducable with a am335x processor and "cansequence -r" at 1Mbit. As soon as we loose a packet we can't escape from an interrupt loop. This patch fixes the problem by handling lost packets before EOB packets. Signed-off-by: Markus Pargmann Signed-off-by: Marc Kleine-Budde Signed-off-by: Greg Kroah-Hartman

can: kvaser_usb: fix usb endpoints detection

2013-11-29T18:42:14+00:00

commit 896e23bd04ea50a146dffd342e2f96180f0812a5 upstream. Some devices, like the Kvaser Memorator Professional, have several bulk in endpoints. Only the first one found must be used by the driver. The same holds for the bulk out endpoint. The official Kvaser driver (leaf) was used as reference for this patch. Signed-off-by: Olivier Sobrie Signed-off-by: Marc Kleine-Budde Signed-off-by: Greg Kroah-Hartman

can: flexcan: flexcan_chip_start: fix regression, mark one MB for TX and abort pending TX

2013-11-13T03:08:08+00:00

commit d5a7b406c529e4595ce03dc8f6dcf7fa36f106fa upstream. In patch 0d1862e can: flexcan: fix flexcan_chip_start() on imx6 the loop in flexcan_chip_start() that iterates over all mailboxes after the soft reset of the CAN core was removed. This loop put all mailboxes (even the ones marked as reserved 1...7) into EMPTY/INACTIVE mode. On mailboxes 8...63, this aborts any pending TX messages. After a cold boot there is random garbage in the mailboxes, which leads to spontaneous transmit of CAN frames during first activation. Further if the interface was disabled with a pending message (usually due to an error condition on the CAN bus), this message is retransmitted after enabling the interface again. This patch fixes the regression by: 1) Limiting the maximum number of used mailboxes to 8, 0...7 are used by the RX FIFO, 8 is used by TX. 2) Marking the TX mailbox as EMPTY/INACTIVE, so that any pending TX of that mailbox is aborted. Cc: Lothar Waßmann Signed-off-by: Marc Kleine-Budde Signed-off-by: Greg Kroah-Hartman

can: flexcan: fix mx28 detection by rearanging OF match table

2013-11-13T03:08:08+00:00

commit e358784297992b012e8071764d996191dd2b1a54 upstream. The current implemetation of of_match_device() relies that the of_device_id table in the driver is sorted from most specific to least specific compatible. Without this patch the mx28 is detected as the less specific p1010. This leads to a p1010 specific workaround is activated on the mx28, which is not needed. Signed-off-by: Marc Kleine-Budde Signed-off-by: Greg Kroah-Hartman

can: at91-can: fix device to driver data mapping for platform devices

2013-11-13T03:08:08+00:00

commit 5abbeea553c8260ed4e2ac4aae962aff800b6c6d upstream. In commit: 3078cde7 can: at91_can: add dt support device tree support was added to the at91_can driver. In this commit the mapping of device to driver data was mixed up. This results in the sam9x5 parameters being used for the sam9263 and the workaround for the broken mailbox 0 on the sam9263 not being activated. This patch fixes the broken platform_device_id table. Cc: Ludovic Desroches Signed-off-by: Marc Kleine-Budde Signed-off-by: Greg Kroah-Hartman

can: dev: fix nlmsg size calculation in can_get_size()

2013-11-04T12:35:13+00:00

[ Upstream commit fe119a05f8ca481623a8d02efcc984332e612528 ] This patch fixes the calculation of the nlmsg size, by adding the missing nla_total_size(). Signed-off-by: Marc Kleine-Budde Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman

can: pcan_usb: fix wrong memcpy() bytes length

2013-08-12T04:51:49+00:00

Fix possibly wrong memcpy() bytes length since some CAN records received from PCAN-USB could define a DLC field in range [9..15]. In that case, the real DLC value MUST be used to move forward the record pointer but, only 8 bytes max. MUST be copied into the data field of the struct can_frame object of the skb given to the network core. Cc: linux-stable Signed-off-by: Stephane Grosjean Signed-off-by: Marc Kleine-Budde Signed-off-by: David S. Miller

can: usb_8dev: fix urb leak on failure path in usb_8dev_start()

2013-07-19T12:55:14+00:00

If usb_8dev_start() fails to submit urb, it unanchors the urb but forgets to free it. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov Signed-off-by: Marc Kleine-Budde

net: can: esd_usb2: check index of array before accessing

2013-07-19T12:55:13+00:00

The esd_usb2_read_bulk_callback() function is parsing the data that comes from the USB CAN adapter. One datum is used as an index to access the dev->nets[] array. This patch adds the missing bounds checking. Acked-by: Matthias Fuchs Signed-off-by: Maximilian Schneider Signed-off-by: Marc Kleine-Budde

drivers/net/can/c_can: don't use devm_pinctrl_get_select_default() in probe

2013-07-12T00:18:26+00:00

Since commit ab78029 (drivers/pinctrl: grab default handles from device core), we can rely on device core for setting the default pins. Compile tested only. Acked-by: Linus Walleij (personally at LCE13) Signed-off-by: Wolfram Sang Acked-by: Marc Kleine-Budde Signed-off-by: David S. Miller