rust: module_param: use pr_warn_once! for null pointer warning

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Replace `pr_warn!` and the accompanying TODO with `pr_warn_once!`, now that
the macro is available.

[ Note: Adarsh Das independently authored an identical patch on the
  rust-for-linux list, but it missed the modules tree. ]

Suggested-by: Adarsh Das <adarshdas950@gmail.com>
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
Reviewed-by: Aaron Tomlin <atomlin@atomlin.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Daniel Gomez <da.gomez@samsung.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>

...

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Andreas Hindborg 2026-04-27 10:11:35 +02:00 • committed by Sami Tolvanen

parent 04e17ca3f7

commit ac2f40107c

1 changed files with 1 additions and 2 deletions

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rust/kernel/module_param.rs

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