linux-kernel - [PATCH 3/6] can: esd_usb: Improved behavior on esd CAN_ERROR

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Message-Id: <20220708181235.4104943-4-frank.jungclaus@esd.eu>
Date:   Fri,  8 Jul 2022 20:12:34 +0200
From:   Frank Jungclaus <frank.jungclaus@....eu>
To:     linux-can@...r.kernel.org, Marc Kleine-Budde <mkl@...gutronix.de>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>
Cc:     Stefan Mätje <stefan.maetje@....eu>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Frank Jungclaus <frank.jungclaus@....eu>
Subject: [PATCH 3/6] can: esd_usb: Improved behavior on esd CAN_ERROR_EXT event (2)

Moved mislocated supply for cf->data[3] (location of CAN error)
outside of the "switch (ecc & SJA1000_ECC_MASK){}"-statement

Signed-off-by: Frank Jungclaus <frank.jungclaus@....eu>
---
 drivers/net/can/usb/esd_usb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/can/usb/esd_usb.c b/drivers/net/can/usb/esd_usb.c
index e14f08d30b0b..0a402a23d7ac 100644
--- a/drivers/net/can/usb/esd_usb.c
+++ b/drivers/net/can/usb/esd_usb.c
@@ -294,7 +294,6 @@ static void esd_usb_rx_event(struct esd_usb_net_priv *priv,
 				cf->data[2] |= CAN_ERR_PROT_STUFF;
 				break;
 			default:
-				cf->data[3] = ecc & SJA1000_ECC_SEG;
 				break;
 			}
 
@@ -302,6 +301,9 @@ static void esd_usb_rx_event(struct esd_usb_net_priv *priv,
 			if (!(ecc & SJA1000_ECC_DIR))
 				cf->data[2] |= CAN_ERR_PROT_TX;
 
+			/* Store error in CAN protocol (location) in data[3] */
+			cf->data[3] = ecc & SJA1000_ECC_SEG;
+
 			if (priv->can.state == CAN_STATE_ERROR_WARNING ||
 			    priv->can.state == CAN_STATE_ERROR_PASSIVE) {
 				cf->data[1] = (txerr > rxerr) ?
-- 
2.25.1