[PATCH net v3 0/3] net: airoha: Fix airoha_qdma_cleanup_tx_queue() processing

Lorenzo Bianconi lorenzo at kernel.org
Thu Apr 16 23:26:49 PDT 2026


> 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 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/20260414-airoha_qdma_cleanup_tx_queue-fix-net-v2-1-875de57cc022@kernel.org
> 
> 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/20260410-airoha_qdma_cleanup_tx_queue-fix-net-v1-1-b7171c8f1e78@kernel.org
> 
> ---
> Lorenzo Bianconi (3):
>       net: airoha: Move ndesc initialization at end of airoha_qdma_init_tx()
>       net: airoha: Move entries to queue head in case of DMA mapping failure in airoha_dev_xmit()
>       net: airoha: Add missing bits in airoha_qdma_cleanup_tx_queue()

Please drop this version, I will send a new one dropping patch 2/3.

Regards,
Lorenzo

> 
>  drivers/net/ethernet/airoha/airoha_eth.c | 42 ++++++++++++++++++++++++++------
>  1 file changed, 35 insertions(+), 7 deletions(-)
> ---
> base-commit: 3f20012a3964f487ae1e9ff942e2f35d4e9595bf
> change-id: 20260410-airoha_qdma_cleanup_tx_queue-fix-net-93375f5ee80f
> 
> Best regards,
> -- 
> Lorenzo Bianconi <lorenzo at kernel.org>
> 
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