can: kvaser_usb: ratelimit errors if incomplete messages are received

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>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index d87e330a20b3..f95945915d20 100644
--- 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 struct kvaser_usb *dev, u8 id,
                         }
 
                         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_callback(struct urb *urb)
                 }
 
                 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;
                 }