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mfd: qnap-mcu: Handle errors returned from qnap_mcu_write

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qnap_mcu_write can return errors and those were not checked before.
So do that now.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250804130726.3180806-3-heiko@sntech.de
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Heiko Stuebner 2025-08-04 15:07:24 +02:00 committed by Lee Jones
parent 5e1c886791
commit bf2de43060
1 changed files with 5 additions and 1 deletions
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6
drivers/mfd/qnap-mcu.c
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@ -163,7 +163,11 @@ int qnap_mcu_exec(struct qnap_mcu *mcu,
reply->received = 0;
reinit_completion(&reply->done);
qnap_mcu_write(mcu, cmd_data, cmd_data_size);
ret = qnap_mcu_write(mcu, cmd_data, cmd_data_size);
if (ret < 0) {
mutex_unlock(&mcu->bus_lock);
return ret;
}
serdev_device_wait_until_sent(mcu->serdev, msecs_to_jiffies(QNAP_MCU_TIMEOUT_MS));