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can: kvaser_usb: ratelimit errors if incomplete messages are received

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Avoid flooding the kernel log with "Formate error", if incomplete message
are received.

Signed-off-by: Jimmy Assarsson <jimmyassarsson@gmail.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Jimmy Assarsson 2017-11-21 08:22:28 +01:00 committed by Marc Kleine-Budde
parent e84f44eb55
commit 8bd13bd522
1 changed files with 4 additions and 3 deletions
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7
drivers/net/can/usb/kvaser_usb.c
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@ -609,8 +609,8 @@ static int kvaser_usb_wait_msg(const struct kvaser_usb *dev, u8 id,
} }
if (pos + tmp->len > actual_len) { if (pos + tmp->len > actual_len) {
dev_err(dev->udev->dev.parent, dev_err_ratelimited(dev->udev->dev.parent,
"Format error\n"); "Format error\n");
break; break;
} }
@ -1353,7 +1353,8 @@ static void kvaser_usb_read_bulk_callback(struct urb *urb)
} }
if (pos + msg->len > urb->actual_length) { 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; break;
} }