drm/panic: use `core::ffi::CStr` method names

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

Link: https://github.com/Rust-for-Linux/linux/issues/1075
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>
Acked-by: Jocelyn Falempe <jfalempe@redhat.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

diff --git a/drivers/gpu/drm/drm_panic_qr.rs b/drivers/gpu/drm/drm_panic_qr.rs
index 50c286c5cee8bea1a1094e8048d737a3e1955663..ac27e86c601c8c3feec649965e8dda23ad2a62a2 100644 (file)
--- a/drivers/gpu/drm/drm_panic_qr.rs
+++ b/drivers/gpu/drm/drm_panic_qr.rs
@@ -968,7 +968,7 @@ pub unsafe extern "C" fn drm_panic_qr_generate(
         // nul-terminated string.
         let url_cstr: &CStr = unsafe { CStr::from_char_ptr(url) };
         let segments = &[
-            &Segment::Binary(url_cstr.as_bytes()),
+            &Segment::Binary(url_cstr.to_bytes()),
             &Segment::Numeric(&data_slice[0..data_len]),
         ];
         match EncodedMsg::new(segments, tmp_slice) {