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Danilo Krummrich
2dedf83d54
Given the safety requirements of as_slice_mut() and write() taking an
immutable reference is technically not incorrect.
However, let's leverage the compiler's capabilities and require a
mutable reference to ensure exclusive access.
This also fixes a clippy warning introduced with 1.88:
warning: mutable borrow from immutable input(s)
--> rust/kernel/dma.rs:297:78
|
297 | pub unsafe fn as_slice_mut(&self, offset: usize, count: usize) -> Result<&mut [T]> {
| ^^^^^^^^
Fixes: d37a39f607 ("rust: dma: add as_slice/write functions for CoherentAllocation")
Reviewed-by: Alice Ryhl <[email protected]>
Reviewed-by: Andreas Hindborg <[email protected]>
Reviewed-by: Abdiel Janulgue <[email protected]>
Reviewed-by: Alexandre Courbot <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Danilo Krummrich <[email protected]>