netdev - Re: [PATCH net v2] net/sched: Abort __tc_modify

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Message-Id: 
 <175211581125.967127.9029455164848283277.git-patchwork-notify@kernel.org>
Date: Thu, 10 Jul 2025 02:50:11 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Victor Nogueira <victor@...atatu.com>
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Subject: Re: [PATCH net v2] net/sched: Abort __tc_modify_qdisc if parent class
 does not exist

Hello:

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

On Mon,  7 Jul 2025 18:08:01 -0300 you wrote:
> Lion's patch [1] revealed an ancient bug in the qdisc API.
> Whenever a user creates/modifies a qdisc specifying as a parent another
> qdisc, the qdisc API will, during grafting, detect that the user is
> not trying to attach to a class and reject. However grafting is
> performed after qdisc_create (and thus the qdiscs' init callback) is
> executed. In qdiscs that eventually call qdisc_tree_reduce_backlog
> during init or change (such as fq, hhf, choke, etc), an issue
> arises. For example, executing the following commands:
> 
> [...]

Here is the summary with links:
  - [net,v2] net/sched: Abort __tc_modify_qdisc if parent class does not exist
    https://git.kernel.org/netdev/net/c/ffdde7bf5a43

You are awesome, thank you!
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