Re: [PATCH v2] net: cxgb3: Fix an error code when probing the driver

From: Andrew Lunn
Date: Sun Mar 06 2022 - 10:15:34 EST


On Sun, Mar 06, 2022 at 05:56:32AM +0000, Zheyu Ma wrote:
> During the process of driver probing, probe function should return < 0
> for failure, otherwise kernel will treat value >= 0 as success.
>
> Therefore, the driver should set 'err' to -ENODEV when
> 'adapter->registered_device_map' is NULL. Otherwise kernel will assume
> that the driver has been successfully probed and will cause unexpected
> errors.
>
> Signed-off-by: Zheyu Ma <zheyuma97@xxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

Andrew