mfd: qnap-mcu: Handle errors returned from qnap_mcu_write

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
commit bf2de43060