linux-kernel - Re: [PATCH v2 net] net: dsa: microchip: provide a list of valid protocols for xmit handler

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Message-Id: <170197264245.15422.7349743280865094840.git-patchwork-notify@kernel.org>
Date:   Thu, 07 Dec 2023 18:10:42 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Sean Nyekjaer <sean@...nix.com>
Cc:     woojung.huh@...rochip.com, UNGLinuxDriver@...rochip.com,
        andrew@...n.ch, f.fainelli@...il.com, olteanv@...il.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, arun.ramadoss@...rochip.com, ceggers@...i.de,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 net] net: dsa: microchip: provide a list of valid protocols
 for xmit handler

Hello:

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

On Wed,  6 Dec 2023 08:16:54 +0100 you wrote:
> Provide a list of valid protocols for which the driver will provide
> it's deferred xmit handler.
> 
> When using DSA_TAG_PROTO_KSZ8795 protocol, it does not provide a
> "connect" method, therefor ksz_connect() is not allocating ksz_tagger_data.
> 
> This avoids the following null pointer dereference:
>  ksz_connect_tag_protocol from dsa_register_switch+0x9ac/0xee0
>  dsa_register_switch from ksz_switch_register+0x65c/0x828
>  ksz_switch_register from ksz_spi_probe+0x11c/0x168
>  ksz_spi_probe from spi_probe+0x84/0xa8
>  spi_probe from really_probe+0xc8/0x2d8
> 
> [...]

Here is the summary with links:
  - [v2,net] net: dsa: microchip: provide a list of valid protocols for xmit handler
    https://git.kernel.org/bpf/bpf/c/1499b89289bf

You are awesome, thank you!
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