linux-kernel - [PATCH] rnull: replace `kernel::c

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Message-Id: <20251222-cstr-block-v1-1-fdab28bb7367@gmail.com>
Date: Mon, 22 Dec 2025 13:26:19 +0100
From: Tamir Duberstein <tamird@...nel.org>
To: Andreas Hindborg <a.hindborg@...nel.org>, 
 Boqun Feng <boqun.feng@...il.com>, Jens Axboe <axboe@...nel.dk>, 
 Miguel Ojeda <ojeda@...nel.org>, Gary Guo <gary@...yguo.net>, 
 Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
 Benno Lossin <lossin@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, 
 Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>
Cc: linux-block@...r.kernel.org, rust-for-linux@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Tamir Duberstein <tamird@...il.com>
Subject: [PATCH] rnull: replace `kernel::c_str!` with C-Strings

From: Tamir Duberstein <tamird@...il.com>

C-String literals were added in Rust 1.77. Replace instances of
`kernel::c_str!` with C-String literals where possible.

Signed-off-by: Tamir Duberstein <tamird@...il.com>
---
 drivers/block/rnull/configfs.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/rnull/configfs.rs b/drivers/block/rnull/configfs.rs
index 6713a6d92391..2f5a7da03af5 100644
--- a/drivers/block/rnull/configfs.rs
+++ b/drivers/block/rnull/configfs.rs
@@ -25,7 +25,7 @@ pub(crate) fn subsystem() -> impl PinInit<kernel::configfs::Subsystem<Config>, E
         ],
     };
 
-    kernel::configfs::Subsystem::new(c_str!("rnull"), item_type, try_pin_init!(Config {}))
+    kernel::configfs::Subsystem::new(c"rnull", item_type, try_pin_init!(Config {}))
 }
 
 #[pin_data]

---
base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
change-id: 20251222-cstr-block-0611c0c035e3

Best regards,
--  
Tamir Duberstein <tamird@...il.com>