Re: [PATCH v7 4/8] can: m_can: Move allocation of net device to probe

From: Faiz Abbas
Date: Tue Jan 16 2018 - 04:02:56 EST


Hi,

On Monday 15 January 2018 07:22 PM, Marc Kleine-Budde wrote:
> On 01/10/2018 11:55 AM, Faiz Abbas wrote:
>> With the version no longer required to allocate the net device, it can
>> be moved to probe and the alloc_m_can_dev() function can be simplified.
>>
>> Therefore, move the allocation of net device to probe and change
>> alloc_m_can_dev() to setup_m_can_dev().
>
> The error handling is broken with this patch,
>
> Have a look at the switch (priv->version) in setup_m_can_dev(), you free
> the m_can_dev in case of error, but exit with -EINVAL in the beginning
> of the function. setup_m_can_dev() should not free if it doesn't allocate.
>
> The error handling in m_can_plat_probe() is broken, too. If
> pm_runtime_get_sync(&pdev->dev) fails, you don't free the candev.
>

Will fix.

Thanks,
Faiz