From: Gerhard Bertelsmann <info@gerhard-bertelsmann.de>
Date: Fri, 25 Sep 2015 16:58:38 +0000 (+0200)
Subject: can: sun4i: fix arbitration lost error reporting
X-Git-Tag: v4.9.8~3303^2~134^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=887e07be3fd2d056362a9f851f796580d7bca499;p=platform%2Fkernel%2Flinux-rpi3.git

can: sun4i: fix arbitration lost error reporting

This patch fixes a bug in arbitration error reporting

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Gerhard Bertelsmann <info@gerhard-bertelsmann.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---

diff --git a/drivers/net/can/sun4i_can.c b/drivers/net/can/sun4i_can.c
index 10d8497..67bdf6d 100644
--- a/drivers/net/can/sun4i_can.c
+++ b/drivers/net/can/sun4i_can.c
@@ -601,7 +601,7 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status)
 		stats->tx_errors++;
 		if (likely(skb)) {
 			cf->can_id |= CAN_ERR_LOSTARB;
-			cf->data[0] = (alc & 0x1f) >> 8;
+			cf->data[0] = (alc >> 8) & 0x1f;
 		}
 	}