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The <*mut [T]>::len() and <*const [T]>::len() methods are available because the kernel enables #![feature(slice_ptr_len)] in lib.rs. Clippy does not account for feature gates when checking MSRV compatibility. Silence these false positive via #[allow(clippy::incompatible_msrv)]. Signed-off-by: John Hubbard --- rust/kernel/ptr.rs | 1 + rust/kernel/ptr/projection.rs | 3 +++ 2 files changed, 4 insertions(+) diff --git a/rust/kernel/ptr.rs b/rust/kernel/ptr.rs index bdc2d79ff669..7482653ef160 100644 --- a/rust/kernel/ptr.rs +++ b/rust/kernel/ptr.rs @@ -248,6 +248,7 @@ fn size(_: *const Self) -> usize { } impl KnownSize for [T] { + #[allow(clippy::incompatible_msrv)] #[inline(always)] fn size(p: *const Self) -> usize { p.len() * size_of::() diff --git a/rust/kernel/ptr/projection.rs b/rust/kernel/ptr/projection.rs index 140ea8e21617..7d1c878b3116 100644 --- a/rust/kernel/ptr/projection.rs +++ b/rust/kernel/ptr/projection.rs @@ -74,6 +74,7 @@ fn index(self, slice: *mut T) -> *mut Self::Output { unsafe impl ProjectIndex<[T]> for usize { type Output = T; + #[allow(clippy::incompatible_msrv)] #[inline(always)] fn get(self, slice: *mut [T]) -> Option<*mut T> { if self >= slice.len() { @@ -89,6 +90,7 @@ fn get(self, slice: *mut [T]) -> Option<*mut T> { unsafe impl ProjectIndex<[T]> for core::ops::Range { type Output = [T]; + #[allow(clippy::incompatible_msrv)] #[inline(always)] fn get(self, slice: *mut [T]) -> Option<*mut [T]> { let new_len = self.end.checked_sub(self.start)?; @@ -116,6 +118,7 @@ fn get(self, slice: *mut [T]) -> Option<*mut [T]> { unsafe impl ProjectIndex<[T]> for core::ops::RangeFrom { type Output = [T]; + #[allow(clippy::incompatible_msrv)] #[inline(always)] fn get(self, slice: *mut [T]) -> Option<*mut [T]> { (self.start..slice.len()).get(slice) -- 2.53.0