Re: [net] ptp: fix NULL pointer dereference in ptp_clock_register

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Mon,  5 Jul 2021 16:53:06 +0800 you wrote:

Fix NULL pointer dereference in ptp_clock_register. The argument
"parent" of ptp_clock_register may be NULL pointer.

Fixes: 73f37068d540 ("ptp: support ptp physical/virtual clocks conversion")
Reported-by: kernel test robot <redacted>
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>

[...]

Here is the summary with links:
  - [net] ptp: fix NULL pointer dereference in ptp_clock_register
    https://git.kernel.org/netdev/net/c/55eac20617ca

You are awesome, thank you!
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