Re: [PATCH] ath10k: allocate dummy net_device dynamically

From: Kalle Valo
Date: Wed Mar 20 2024 - 11:26:03 EST


Jeff Johnson <quic_jjohnson@xxxxxxxxxxx> writes:

> On 3/19/2024 3:47 AM, Breno Leitao wrote:
>> Embedding net_device into structures prohibits the usage of flexible
>> arrays in the net_device structure. For more details, see the discussion
>> at [1].
>>
>> Un-embed the net_device from struct ath10k by converting it
>> into a pointer. Then use the leverage alloc_netdev() to allocate the
>> net_device object at ath10k_core_create(). The free of the device occurs
>> at ath10k_core_destroy().
>>
>> [1] https://lore.kernel.org/all/20240229225910.79e224cf@xxxxxxxxxx/
>>
>> Signed-off-by: Breno Leitao <leitao@xxxxxxxxxx>
>
> NAK this based upon the ath11k patch results.
>
> As suggested there we should just use kmalloc/kfree to match the existing logic.

BTW if the patch is not tested on a real device then it's good to
document that in the commit message with "Compile tested only" or
similar.

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