[PATCH v17 04/11] rust_binder: use `core::ffi::CStr` method names

Tamir Duberstein
2025-10-15T19:25:09Z

Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoiding methods that only exist on the latter.

This backslid in commit eafedbc7c050 ("rust_binder: add Rust Binder
driver").

Signed-off-by: Tamir Duberstein <tamird@gmail.com>
---
drivers/android/binder/stats.rs | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/android/binder/stats.rs b/drivers/android/binder/stats.rs
index a83ec111d2cb..10c43679d5c3 100644
--- a/drivers/android/binder/stats.rs
+++ b/drivers/android/binder/stats.rs
@@ -72,7 +72,7 @@ pub(super) fn command_string(i: usize) -> &'static str {
// SAFETY: Accessing `binder_command_strings` is always safe.
let c_str_ptr = unsafe { binder_command_strings[i] };
// SAFETY: The `binder_command_strings` array only contains nul-terminated strings.
- let bytes = unsafe { CStr::from_char_ptr(c_str_ptr) }.as_bytes();
+ let bytes = unsafe { CStr::from_char_ptr(c_str_ptr) }.to_bytes();
// SAFETY: The `binder_command_strings` array only contains strings with ascii-chars.
unsafe { from_utf8_unchecked(bytes) }
}
@@ -81,7 +81,7 @@ pub(super) fn return_string(i: usize) -> &'static str {
// SAFETY: Accessing `binder_return_strings` is always safe.
let c_str_ptr = unsafe { binder_return_strings[i] };
// SAFETY: The `binder_command_strings` array only contains nul-terminated strings.
- let bytes = unsafe { CStr::from_char_ptr(c_str_ptr) }.as_bytes();
+ let bytes = unsafe { CStr::from_char_ptr(c_str_ptr) }.to_bytes();
// SAFETY: The `binder_command_strings` array only contains strings with ascii-chars.
unsafe { from_utf8_unchecked(bytes) }
}

--
2.51.0