* [PATCH] rust: resolve safety comment TODO in `as_str_unchecked`
@ 2025-09-11 8:54 Onur Özkan
0 siblings, 0 replies; only message in thread
From: Onur Özkan @ 2025-09-11 8:54 UTC (permalink / raw)
To: rust-for-linux
Cc: ojeda, alex.gaynor, boqun.feng, gary, bjorn3_gh, lossin,
a.hindborg, aliceryhl, tmgross, dakr, tamird, daniel,
linux-kernel, Onur Özkan
Resolved the TODO comment with a proper safety explanation.
Signed-off-by: Onur Özkan <work@onurozkan.dev>
---
rust/kernel/str.rs | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/rust/kernel/str.rs b/rust/kernel/str.rs
index 6c892550c0ba..11c30c765828 100644
--- a/rust/kernel/str.rs
+++ b/rust/kernel/str.rs
@@ -380,7 +380,8 @@ pub fn to_str(&self) -> Result<&str, core::str::Utf8Error> {
/// ```
#[inline]
pub unsafe fn as_str_unchecked(&self) -> &str {
- // SAFETY: TODO.
+ // SAFETY: The safety precondition guarantees that the contents
+ // of this `CStr` are valid UTF-8.
unsafe { core::str::from_utf8_unchecked(self.as_bytes()) }
}
--
2.50.0
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