Re: [PATCH net v3] net: ethernet: xscale: Check for PTP support properly

[patchwork-bot+netdevbpf@kernel.org]

Hello:

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

On Thu, 19 Feb 2026 12:38:50 +0100 you wrote:
> In ixp4xx_get_ts_info() ixp46x_ptp_find() is called
> unconditionally despite this feature only existing on
> ixp46x, leading to the following splat from tcpdump:
> 
> root@OpenWrt:~# tcpdump -vv -X -i eth0
> (...)
> Unable to handle kernel NULL pointer dereference at virtual address
>   00000238 when read
> (...)
> Call trace:
>  ptp_clock_index from ixp46x_ptp_find+0x1c/0x38
>  ixp46x_ptp_find from ixp4xx_get_ts_info+0x4c/0x64
>  ixp4xx_get_ts_info from __ethtool_get_ts_info+0x90/0x108
>  __ethtool_get_ts_info from __dev_ethtool+0xa00/0x2648
>  __dev_ethtool from dev_ethtool+0x160/0x234
>  dev_ethtool from dev_ioctl+0x2cc/0x460
>  dev_ioctl from sock_ioctl+0x1ec/0x524
>  sock_ioctl from sys_ioctl+0x51c/0xa94
>  sys_ioctl from ret_fast_syscall+0x0/0x44
>  (...)
> Segmentation fault
> 
> [...]

Here is the summary with links:
  - [net,v3] net: ethernet: xscale: Check for PTP support properly
    https://git.kernel.org/netdev/net/c/594163ea88a0

You are awesome, thank you!
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