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Date:   Sun, 6 Mar 2022 16:15:10 +0100
From:   Andrew Lunn <>
To:     Zheyu Ma <>
Subject: Re: [PATCH v2] net: cxgb3: Fix an error code when probing the driver

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 <>

Reviewed-by: Andrew Lunn <>


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