[PATCH] samples: rust: pci: replace `kernel::c_str!` with C-Strings

From: Tamir Duberstein

Date: Mon Dec 22 2025 - 07:24:00 EST


From: Tamir Duberstein <tamird@xxxxxxxxx>

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@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>
Reviewed-by: Benno Lossin <lossin@xxxxxxxxxx>
Acked-by: Danilo Krummrich <dakr@xxxxxxxxxx>
Signed-off-by: Tamir Duberstein <tamird@xxxxxxxxx>
---
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@xxxxxxxxx>