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From: Marc Kleine-Budde <mkl@pengutronix.de>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, linux-can@vger.kernel.org,
	kernel@pengutronix.de, Jimmy Assarsson <jimmyassarsson@gmail.com>,
	linux-stable <stable@vger.kernel.org>,
	Marc Kleine-Budde <mkl@pengutronix.de>
Subject: [PATCH 3/9] can: kvaser_usb: ratelimit errors if incomplete messages are received
Date: Fri,  1 Dec 2017 15:17:33 +0100	[thread overview]
Message-ID: <20171201141739.5816-4-mkl@pengutronix.de> (raw)
In-Reply-To: <20171201141739.5816-1-mkl@pengutronix.de>

From: Jimmy Assarsson <jimmyassarsson@gmail.com>

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>
---
 drivers/net/can/usb/kvaser_usb.c | 7 ++++---
 1 file 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;
 		}
 
-- 
2.15.0


  parent reply	other threads:[~2017-12-01 14:17 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-01 14:17 pull-request: can 2017-12-01 Marc Kleine-Budde
2017-12-01 14:17 ` [PATCH 1/9] can: kvaser_usb: free buf in error paths Marc Kleine-Budde
2017-12-01 14:17 ` [PATCH 2/9] can: kvaser_usb: Fix comparison bug in kvaser_usb_read_bulk_callback() Marc Kleine-Budde
2017-12-01 14:17 ` Marc Kleine-Budde [this message]
2017-12-01 14:17 ` [PATCH 4/9] can: ti_hecc: Fix napi poll return value for repoll Marc Kleine-Budde
2017-12-01 14:17 ` [PATCH 5/9] can: peak/pci: fix potential bug when probe() fails Marc Kleine-Budde
2017-12-01 14:17 ` [PATCH 6/9] can: flexcan: Update IRQ Err Passive information Marc Kleine-Budde
2017-12-01 14:17 ` [PATCH 7/9] can: flexcan: fix VF610 state transition issue Marc Kleine-Budde
2017-12-01 14:17 ` [PATCH 8/9] can: mcba_usb: fix typo Marc Kleine-Budde
2017-12-01 14:17 ` [PATCH 9/9] can: mcba_usb: fix device disconnect bug Marc Kleine-Budde
2017-12-03 14:58 ` pull-request: can 2017-12-01 David Miller

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