This is a note to let you know that I've just added the patch titled
can: kvaser_usb: ratelimit errors if incomplete messages are received
to the 4.9-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-kvaser_usb-ratelimit-errors-if-incomplete-messages-are-received.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8bd13bd522ff7dfa0eb371921aeb417155f7a3be Mon Sep 17 00:00:00 2001
From: Jimmy Assarsson <jimmyassarsson@xxxxxxxxx>
Date: Tue, 21 Nov 2017 08:22:28 +0100
Subject: can: kvaser_usb: ratelimit errors if incomplete messages are received
From: Jimmy Assarsson <jimmyassarsson@xxxxxxxxx>
commit 8bd13bd522ff7dfa0eb371921aeb417155f7a3be upstream.
Avoid flooding the kernel log with "Formate error", if incomplete message
are received.
Signed-off-by: Jimmy Assarsson <jimmyassarsson@xxxxxxxxx>
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/can/usb/kvaser_usb.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -609,8 +609,8 @@ static int kvaser_usb_wait_msg(const str
}
if (pos + tmp->len > actual_len) {
- dev_err(dev->udev->dev.parent,
- "Format error\n");
+ dev_err_ratelimited(dev->udev->dev.parent,
+ "Format error\n");
break;
}
@@ -1353,7 +1353,8 @@ static void kvaser_usb_read_bulk_callbac
}
if (pos + msg->len > urb->actual_length) {
- dev_err(dev->udev->dev.parent, "Format error\n");
+ dev_err_ratelimited(dev->udev->dev.parent,
+ "Format error\n");
break;
}
Patches currently in stable-queue which might be from jimmyassarsson@xxxxxxxxx are
queue-4.9/can-kvaser_usb-ratelimit-errors-if-incomplete-messages-are-received.patch
queue-4.9/can-kvaser_usb-free-buf-in-error-paths.patch
queue-4.9/can-kvaser_usb-fix-comparison-bug-in-kvaser_usb_read_bulk_callback.patch