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rust: dma: remove incorrect safety documentation

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Removes a safety requirement that incorrectly states callers must
ensure the device does not access memory while the returned slice
is live, as this method doesn't return a slice.

Fixes: d37a39f607 ("rust: dma: add as_slice/write functions for CoherentAllocation")
Signed-off-by: Yilin Chen <1479826151@qq.com>
Link: https://patch.msgid.link/tencent_5195C0324923A2B67DEF8AE4B8E139BCB105@qq.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
This commit is contained in:
Yilin Chen 2025-12-29 00:52:34 +08:00 • committed by Danilo Krummrich
parent 2f4ca87469
commit 68ece1e2ce
1 changed files with 0 additions and 2 deletions
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2
rust/kernel/dma.rs
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@ -532,8 +532,6 @@ impl<T: AsBytes + FromBytes> CoherentAllocation<T> {
///
/// # Safety
///
/// * Callers must ensure that the device does not read/write to/from memory while the returned
/// slice is live.
/// * Callers must ensure that this call does not race with a read or write to the same region
/// that overlaps with this write.
///