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drivers: can: loopback: add log message for full TX msgq

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Emit a debug log message if the TX message queue is full.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2022-10-31 12:57:03 +01:00 • committed by Carles Cufí
commit efd0d3ba96
1 changed files with 5 additions and 1 deletions
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6
drivers/can/can_loopback.c
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@ -144,8 +144,12 @@ static int can_loopback_send(const struct device *dev,
loopback_frame.cb_arg = user_data;
ret = k_msgq_put(&data->tx_msgq, &loopback_frame, timeout);
if (ret < 0) {
LOG_DBG("TX queue full (err %d)", ret);
return -EAGAIN;
}
return ret ? -EAGAIN : 0;
return 0;
}