Re: [PATCH] staging: rtl8723bs: Simplify error handling

[Greg KH <gregkh@linuxfoundation.org>]

On Thu, Mar 12, 2026 at 04:19:34PM +0300, Bera Yüzlü wrote:
> Remove unnecessary ret variable and goto exit pattern. The function now
> returns immediately when an error occurs.
> 
> Signed-off-by: Bera Yüzlü <b9788213@gmail.com>
> ---
>  drivers/staging/rtl8723bs/os_dep/os_intfs.c | 30 +++++++--------------
>  1 file changed, 10 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/staging/rtl8723bs/os_dep/os_intfs.c b/drivers/staging/rtl8723bs/os_dep/os_intfs.c
> index 7ba689f2d..fe910cc68 100644
> --- a/drivers/staging/rtl8723bs/os_dep/os_intfs.c
> +++ b/drivers/staging/rtl8723bs/os_dep/os_intfs.c
> @@ -1124,36 +1124,27 @@ static int rtw_resume_process_normal(struct adapter *padapter)
>  	struct pwrctrl_priv *pwrpriv;
>  	struct mlme_priv *pmlmepriv;
>  
> -	int ret = _SUCCESS;
> -
> -	if (!padapter) {
> -		ret = -1;
> -		goto exit;
> -	}
> +	if (!padapter)
> +		return -1;
>  
>  	pnetdev = padapter->pnetdev;
>  	pwrpriv = adapter_to_pwrctl(padapter);
>  	pmlmepriv = &padapter->mlmepriv;
>  	/*  interface init */
>  	/* if (sdio_init(adapter_to_dvobj(padapter)) != _SUCCESS) */
> -	if ((padapter->intf_init) && (padapter->intf_init(adapter_to_dvobj(padapter)) != _SUCCESS)) {
> -		ret = -1;
> -		goto exit;
> -	}
> +	if ((padapter->intf_init) && (padapter->intf_init(adapter_to_dvobj(padapter)) != _SUCCESS))
> +		return -1;

I understand the goal here, but are you sure that just exiting like this
in all of these places is actually correct?  Nothing needs to be
"unwound"?

> +
>  	rtw_hal_disable_interrupt(padapter);
>  	/* if (sdio_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS) */
> -	if ((padapter->intf_alloc_irq) && (padapter->intf_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS)) {
> -		ret = -1;
> -		goto exit;
> -	}
> +	if ((padapter->intf_alloc_irq) && (padapter->intf_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS))
> +		return -1;
>  
>  	rtw_reset_drv_sw(padapter);
>  	pwrpriv->bkeepfwalive = false;
>  
> -	if (pm_netdev_open(pnetdev, true) != 0) {
> -		ret = -1;
> -		goto exit;
> -	}
> +	if (pm_netdev_open(pnetdev, true) != 0)
> +		return -1;

Like here, the irq is allocated, but an error happened, so what happened
to that irq?

thanks,

greg k-h