linux-next: build failure after merge of the rust tree

[Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>]

Hi all,

After merging the rust tree, today's linux-next build (x86_64
allmodconfig) failed like this:

error[E0308]: mismatched types
   --> drivers/gpu/drm/drm_panic_qr.rs:961:60
    |
961 |         let url_cstr: &CStr = unsafe { CStr::from_char_ptr(url) };
    |                                        ------------------- ^^^ expected `*const u8`, found `*const i8`
    |                                        |
    |                                        arguments to this function are incorrect
    |
    = note: expected raw pointer `*const u8`
               found raw pointer `*const i8`
note: associated function defined here
   --> rust/kernel/str.rs:187:19
    |
187 |     pub unsafe fn from_char_ptr<'a>(ptr: *const crate::ffi::c_char) -> &'a Self {
    |                   ^^^^^^^^^^^^^

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0308`.

Caused by commit

  e721cd7570b2 ("rust: map `long` to `isize` and `char` to `u8`")

I have used the rust tree from next-20241213 for today.

-- 
Cheers,
Stephen Rothwell

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