[PATCH] rust: module_param: use pr_warn_once! for null pointer warning
From: Maurice Hieronymus <hidden>
Date: 2026-06-06 18:24:51
Also in:
lkml, rust-for-linux
Subsystem:
module support, rust, the rest · Maintainers:
Luis Chamberlain, Petr Pavlu, Daniel Gomez, Sami Tolvanen, Miguel Ojeda, Linus Torvalds
This resolves the existing TODO that asked for pr_warn_once! once it became available. Signed-off-by: Maurice Hieronymus <redacted> --- 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: 838a0871cb3cf5988560d17afaaf57592bdb486b change-id: 20260606-module-param-pr-warn-once-ed2f548ea741 Best regards, -- Maurice Hieronymus [off-list ref]