can: c_can: fix invalid error codes

Errors in CAN protocol (location) are reported in data[3] of the can
frame instead of data[2].

Cc: linux-stable <stable@vger.kernel.org>
Cc: Bhupesh Sharma <bhupesh.sharma@st.com>
Signed-off-by: Olivier Sobrie <olivier@sobrie.be>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 5233b8f..58607f1 100644 (file)
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -960,7 +960,7 @@ static int c_can_handle_bus_err(struct net_device *dev,
                break;
        case LEC_ACK_ERROR:
                netdev_dbg(dev, "ack error\n");
-               cf->data[2] |= (CAN_ERR_PROT_LOC_ACK |
+               cf->data[3] |= (CAN_ERR_PROT_LOC_ACK |
                                CAN_ERR_PROT_LOC_ACK_DEL);
                break;
        case LEC_BIT1_ERROR:
@@ -973,7 +973,7 @@ static int c_can_handle_bus_err(struct net_device *dev,
                break;
        case LEC_CRC_ERROR:
                netdev_dbg(dev, "CRC error\n");
-               cf->data[2] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
+               cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
                                CAN_ERR_PROT_LOC_CRC_DEL);
                break;
        default: