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drivers: can: return -ENETUNREACH from can_send() if in bus off state

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Change the error code for can_send() when the CAN controller is in bus off
state from -ENETDOWN to -ENETUNREACH.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2022-08-19 10:43:34 +02:00 • committed by Fabio Baltieri
commit fda3f54002
5 changed files with 11 additions and 11 deletions
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6
drivers/can/can_mcux_flexcan.c
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@ -364,7 +364,7 @@ static int mcux_flexcan_send(const struct device *dev,
(void)mcux_flexcan_get_state(dev, &state, NULL);
if (state == CAN_STATE_BUS_OFF) {
LOG_DBG("Transmit failed, bus-off");
return -ENETDOWN;
return -ENETUNREACH;
}
if (k_sem_take(&data->tx_allocs_sem, timeout) != 0) {
@ -582,9 +582,9 @@ static inline void mcux_flexcan_transfer_error_status(const struct device *dev,
FLEXCAN_TransferAbortSend(config->base, &data->handle,
ALLOC_IDX_TO_TXMB_IDX(alloc));
if (function != NULL) {
function(dev, -ENETDOWN, arg);
function(dev, -ENETUNREACH, arg);
} else {
data->tx_cbs[alloc].status = -ENETDOWN;
data->tx_cbs[alloc].status = -ENETUNREACH;
k_sem_give(&data->tx_cbs[alloc].done);
}