From: Tamir Duberstein <tamird@gmail.com>

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

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
---
 samples/rust/rust_driver_pci.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/samples/rust/rust_driver_pci.rs b/samples/rust/rust_driver_pci.rs
index 5823787bea8e..991cc111fd63 100644
--- a/samples/rust/rust_driver_pci.rs
+++ b/samples/rust/rust_driver_pci.rs
@@ -4,7 +4,7 @@
 //!
 //! To make this driver probe, QEMU must be run with `-device pci-testdev`.
 
-use kernel::{c_str, device::Core, devres::Devres, pci, prelude::*, sync::aref::ARef};
+use kernel::{device::Core, devres::Devres, pci, prelude::*, sync::aref::ARef};
 
 struct Regs;
 
@@ -79,7 +79,7 @@ fn probe(pdev: &pci::Device<Core>, info: &Self::IdInfo) -> impl PinInit<Self, Er
             pdev.set_master();
 
             Ok(try_pin_init!(Self {
-                bar <- pdev.iomap_region_sized::<{ Regs::END }>(0, c_str!("rust_driver_pci")),
+                bar <- pdev.iomap_region_sized::<{ Regs::END }>(0, c"rust_driver_pci"),
                 index: *info,
                 _: {
                     let bar = bar.access(pdev.as_ref())?;

---
base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
change-id: 20251222-cstr-pci-448ca1f4aa31

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

> On 22 Dec 2025, at 09:23, Tamir Duberstein <tamird@kernel.org> wrote:
> 
> From: Tamir Duberstein <tamird@gmail.com>
> 
> C-String literals were added in Rust 1.77. Replace instances of
> `kernel::c_str!` with C-String literals where possible.
> 
> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Reviewed-by: Alice Ryhl <aliceryhl@google.com>
> Reviewed-by: Benno Lossin <lossin@kernel.org>
> Acked-by: Danilo Krummrich <dakr@kernel.org>
> Signed-off-by: Tamir Duberstein <tamird@gmail.com>
> ---
> samples/rust/rust_driver_pci.rs | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/samples/rust/rust_driver_pci.rs b/samples/rust/rust_driver_pci.rs
> index 5823787bea8e..991cc111fd63 100644
> --- a/samples/rust/rust_driver_pci.rs
> +++ b/samples/rust/rust_driver_pci.rs
> @@ -4,7 +4,7 @@
> //!
> //! To make this driver probe, QEMU must be run with `-device pci-testdev`.
> 
> -use kernel::{c_str, device::Core, devres::Devres, pci, prelude::*, sync::aref::ARef};
> +use kernel::{device::Core, devres::Devres, pci, prelude::*, sync::aref::ARef};
> 
> struct Regs;
> 
> @@ -79,7 +79,7 @@ fn probe(pdev: &pci::Device<Core>, info: &Self::IdInfo) -> impl PinInit<Self, Er
>             pdev.set_master();
> 
>             Ok(try_pin_init!(Self {
> -                bar <- pdev.iomap_region_sized::<{ Regs::END }>(0, c_str!("rust_driver_pci")),
> +                bar <- pdev.iomap_region_sized::<{ Regs::END }>(0, c"rust_driver_pci"),
>                 index: *info,
>                 _: {
>                     let bar = bar.access(pdev.as_ref())?;
> 
> ---
> base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
> change-id: 20251222-cstr-pci-448ca1f4aa31
> 
> Best regards,
> --  
> Tamir Duberstein <tamird@gmail.com>
> 
> 

Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>

On Mon Dec 22, 2025 at 1:23 PM CET, Tamir Duberstein wrote:
> From: Tamir Duberstein <tamird@gmail.com>
>
> C-String literals were added in Rust 1.77. Replace instances of
> `kernel::c_str!` with C-String literals where possible.
>
> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Reviewed-by: Alice Ryhl <aliceryhl@google.com>
> Reviewed-by: Benno Lossin <lossin@kernel.org>
> Acked-by: Danilo Krummrich <dakr@kernel.org>
> Signed-off-by: Tamir Duberstein <tamird@gmail.com>

Applied to dirver-core-testing, thanks!

    [ Use kernel vertical import style. - Danilo ]