This is a note to let you know that I've just added the patch titled
can: flex_can: Correct the checking for frame length in flexcan_start_xmit()
to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
can-flex_can-correct-the-checking-for-frame-length-in-flexcan_start_xmit.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Wed Feb 28 16:23:28 CET 2018
From: Luu An Phu <phu.luuan@xxxxxxx>
Date: Tue, 2 Jan 2018 10:44:18 +0700
Subject: can: flex_can: Correct the checking for frame length in flexcan_start_xmit()
From: Luu An Phu <phu.luuan@xxxxxxx>
[ Upstream commit 13454c14550065fcc1705d6bd4ee6d40e057099f ]
The flexcan_start_xmit() function compares the frame length with data
register length to write frame content into data[0] and data[1]
register. Data register length is 4 bytes and frame maximum length is 8
bytes.
Fix the check that compares frame length with 3. Because the register
length is 4.
Signed-off-by: Luu An Phu <phu.luuan@xxxxxxx>
Reviewed-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/can/flexcan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -526,7 +526,7 @@ static int flexcan_start_xmit(struct sk_
data = be32_to_cpup((__be32 *)&cf->data[0]);
flexcan_write(data, &priv->tx_mb->data[0]);
}
- if (cf->can_dlc > 3) {
+ if (cf->can_dlc > 4) {
data = be32_to_cpup((__be32 *)&cf->data[4]);
flexcan_write(data, &priv->tx_mb->data[1]);
}
Patches currently in stable-queue which might be from phu.luuan@xxxxxxx are
queue-4.14/can-flex_can-correct-the-checking-for-frame-length-in-flexcan_start_xmit.patch