[PATCH] rust: module_param: use `pr_warn_once!` for null pointer warning

[Andreas Hindborg]

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

Signed-off-by: Andreas Hindborg <a.hindborg@xxxxxxxxxx>
---
 rust/kernel/module_param.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/rust/kernel/module_param.rs b/rust/kernel/module_param.rs
index 6a8a7a875643..dd6d663a0a3c 100644
--- a/rust/kernel/module_param.rs
+++ b/rust/kernel/module_param.rs
@@ -62,8 +62,7 @@ pub trait ModuleParam: Sized + Copy {
     // NOTE: If we start supporting arguments without values, val _is_ allowed
     // to be null here.
     if val.is_null() {
-        // TODO: Use pr_warn_once available.
-        crate::pr_warn!("Null pointer passed to `module_param::set_param`");
+        crate::pr_warn_once!("Null pointer passed to `module_param::set_param`");
         return EINVAL.to_errno();
     }
 

---
base-commit: 254f49634ee16a731174d2ae34bc50bd5f45e731
change-id: 20260427-params-pr-once-481c03df3e2a

Best regards,
-- 
Andreas Hindborg <a.hindborg@xxxxxxxxxx>