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miscdevice: rust: use build_error! macro instead of function

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The function called build_error is an implementation detail of the macro
of the same name. Thus, update miscdevice to use the macro rather than
the function. See [1] for more information on this.

These use the macro with the kernel:: prefix as it has not yet been
added to the prelude.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/r/20250110162828.38614c1b@canb.auug.org.au
Link: https://lore.kernel.org/all/20241123222849.350287-2-ojeda@kernel.org/ [1]
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://lore.kernel.org/r/20250110101459.536726-1-aliceryhl@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alice Ryhl 2025-01-10 10:14:59 +00:00 committed by Greg Kroah-Hartman
parent c1ecb860a4
commit bf2aa7df26
1 changed files with 3 additions and 3 deletions
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6
rust/kernel/miscdevice.rs
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@ -134,7 +134,7 @@ fn ioctl(
_cmd: u32,
_arg: usize,
) -> Result<isize> {
kernel::build_error(VTABLE_DEFAULT_ERROR)
kernel::build_error!(VTABLE_DEFAULT_ERROR)
}
/// Handler for ioctls.
@ -151,7 +151,7 @@ fn compat_ioctl(
_cmd: u32,
_arg: usize,
) -> Result<isize> {
kernel::build_error(VTABLE_DEFAULT_ERROR)
kernel::build_error!(VTABLE_DEFAULT_ERROR)
}
/// Show info for this fd.
@ -160,7 +160,7 @@ fn show_fdinfo(
_m: &SeqFile,
_file: &File,
) {
kernel::build_error(VTABLE_DEFAULT_ERROR)
kernel::build_error!(VTABLE_DEFAULT_ERROR)
}
}