[PATCH net v5] net: airoha: Fix skb->priority underflow in airoha_dev_select_queue()

[patchwork-bot+netdevbpf at kernel.org]

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba at kernel.org>:

On Sat, 20 Jun 2026 16:17:44 +0800 you wrote:
> In airoha_dev_select_queue(), the expression:
> 
>   queue = (skb->priority - 1) % AIROHA_NUM_QOS_QUEUES;
> 
> implicitly converts to unsigned arithmetic: when skb->priority is 0
> (the default for unclassified traffic), (0u - 1u) wraps to UINT_MAX,
> and UINT_MAX % 8 = 7, routing default best-effort packets to the
> highest-priority QoS queue. This causes QoS inversion where the
> majority of traffic on a PON gateway starves actual high-priority
> flows (VoIP, gaming, etc.).
> 
> [...]

Here is the summary with links:
  - [net,v5] net: airoha: Fix skb->priority underflow in airoha_dev_select_queue()
    https://git.kernel.org/netdev/net/c/86e51aa24686

You are awesome, thank you!
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