can: kvaser_usb: ratelimit errors if incomplete messages are received

commit 8bd13bd522ff7dfa0eb371921aeb417155f7a3be upstream.

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

Signed-off-by: Jimmy Assarsson <jimmyassarsson@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index 8ef47e6285486c45004378618e3581c56161595b..79422879f754152c9fdc08bddb1fdcf056abad7d 100644 (file)
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -603,8 +603,8 @@ 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;
                        }
 
@@ -1349,7 +1349,8 @@ 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;
                }