Subject: Re: [PATCH net v4 0/2] net: airoha: Fix airoha_qdma_cleanup_tx_queue() processing

From: Simon Horman <[email-masked]>
Date: Mon, 20 Apr 2026 14:56:25 +0100

On Fri, Apr 17, 2026 at 08:36:30AM +0200, Lorenzo Bianconi wrote:
> Add missing bits in airoha_qdma_cleanup_tx_queue routine.
> Fix airoha_qdma_cleanup_tx_queue processing errors intorduced in commit
> '3f47e67dff1f7 ("net: airoha: Add the capability to consume out-of-order
> DMA tx descriptors")'.
> 
> ---
> Changes in v4:
> - Drop patch 2/3 to move entries to queue head in case of DMA mapping
>   failure in airoha_dev_xmit().
> - Link to v3: https://lore.kernel.org/r/[email-masked]
> 
> Changes in v3:
> - Move ndesc initialization fix in a dedicated patch.
> - Add patch 2/3 to move entries to queue head in case of DMA mapping
>   failure in airoha_dev_xmit().
> - Cosmetics.
> - Link to v2: https://lore.kernel.org/r/[email-masked]
> 
> Changes in v2:
> - Move q->ndesc initialization at end of airoha_qdma_init_tx routine in
>   order to avoid any possible NULL pointer dereference in
>   airoha_qdma_cleanup_tx_queue()
> - Check if q->tx_list is empty in airoha_qdma_cleanup_tx_queue()
> - Link to v1: https://lore.kernel.org/r/[email-masked]
> 
> ---
> Lorenzo Bianconi (2):
>       net: airoha: Move ndesc initialization at end of airoha_qdma_init_tx()
>       net: airoha: Add missing bits in airoha_qdma_cleanup_tx_queue()
> 
>  drivers/net/ethernet/airoha/airoha_eth.c | 40 +++++++++++++++++++++++++++-----
>  1 file changed, 34 insertions(+), 6 deletions(-)

Thanks for the updates, this series looks good to me:

Reviewed-by: Simon Horman <[email-masked]>

As is the way of things, Sashiko has some feedback on this patchset.
Please consider looking over it for potential follow-up changes.
I do not think that needs to block progress of this patchset.