linux-kernel - Re: [PATCH v1] tty: serial: qcom_geni_serial: Fix error handling for RS485 mode

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Message-ID: <2025091701-glamorous-financial-b649@gregkh>
Date: Wed, 17 Sep 2025 13:15:20 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Anup Kulkarni <anup.kulkarni@....qualcomm.com>
Cc: jirislaby@...nel.org, johan+linaro@...nel.org, dianders@...omium.org,
	quic_ptalari@...cinc.com, bryan.odonoghue@...aro.org,
	quic_zongjian@...cinc.com, quic_jseerapu@...cinc.com,
	quic_vdadhani@...cinc.com, linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	mukesh.savaliya@....qualcomm.com, viken.dadhaniya@....qualcomm.com,
	stable@...r.kernel.org
Subject: Re: [PATCH v1] tty: serial: qcom_geni_serial: Fix error handling for
 RS485 mode

On Tue, Sep 16, 2025 at 03:09:57PM +0530, Anup Kulkarni wrote:
> If uart_get_rs485() fails, the driver returns without detaching
> the PM domain list.
> 
> Fix the error handling path in uart_get_rs485_mode() to ensure the
> PM domain list is detached before exiting.
> 
> Fixes: 86fa39dd6fb7 ("serial: qcom-geni: Enable Serial on SA8255p Qualcomm platforms")
> Cc: stable@...r.kernel.org
> Signed-off-by: Anup Kulkarni <anup.kulkarni@....qualcomm.com>
> ---
>  drivers/tty/serial/qcom_geni_serial.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

I've taken
https://lore.kernel.org/r/20250917010437.129912-2-krzysztof.kozlowski@linaro.org
instead, so this shouldn't be needed anymore.

thanks,

greg k-h