[PATCH 21/27] selftests/landlock: Use _exit() in the named_pipe_ioctl child

[sashiko-bot at kernel.org]

> In the named_pipe_ioctl test, use _exit(2) like in other places.
> 
> Assisted-by: LLM
> Signed-off-by: Günther Noack <gnoack3000 at gmail.com>

Sashiko has reviewed this patch and found no issues. It looks great!

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Sashiko AI review · https://sashiko.dev/#/patchset/20261008142604.39107-2-gnoack3000@gmail.com?part=21