summaryrefslogtreecommitdiff
path: root/rust
diff options
context:
space:
mode:
Diffstat (limited to 'rust')
-rw-r--r--rust/kernel/transmute.rs33
1 files changed, 6 insertions, 27 deletions
diff --git a/rust/kernel/transmute.rs b/rust/kernel/transmute.rs
index b9e6eadc08f5..654b5ede2fe2 100644
--- a/rust/kernel/transmute.rs
+++ b/rust/kernel/transmute.rs
@@ -66,16 +66,9 @@ pub unsafe trait FromBytes {
where
Self: Sized,
{
- if bytes.len() < size_of::<Self>() {
- None
- } else {
- // PANIC: We checked that `bytes.len() >= size_of::<Self>`, thus `split_at` cannot
- // panic.
- // TODO: replace with `split_at_checked` once the MSRV is >= 1.80.
- let (prefix, remainder) = bytes.split_at(size_of::<Self>());
+ let (prefix, remainder) = bytes.split_at_checked(size_of::<Self>())?;
- Self::from_bytes(prefix).map(|s| (s, remainder))
- }
+ Self::from_bytes(prefix).map(|s| (s, remainder))
}
/// Converts a mutable slice of bytes to a reference to `Self`.
@@ -108,16 +101,9 @@ pub unsafe trait FromBytes {
where
Self: AsBytes + Sized,
{
- if bytes.len() < size_of::<Self>() {
- None
- } else {
- // PANIC: We checked that `bytes.len() >= size_of::<Self>`, thus `split_at_mut` cannot
- // panic.
- // TODO: replace with `split_at_mut_checked` once the MSRV is >= 1.80.
- let (prefix, remainder) = bytes.split_at_mut(size_of::<Self>());
+ let (prefix, remainder) = bytes.split_at_mut_checked(size_of::<Self>())?;
- Self::from_bytes_mut(prefix).map(|s| (s, remainder))
- }
+ Self::from_bytes_mut(prefix).map(|s| (s, remainder))
}
/// Creates an owned instance of `Self` by copying `bytes`.
@@ -147,16 +133,9 @@ pub unsafe trait FromBytes {
where
Self: Sized,
{
- if bytes.len() < size_of::<Self>() {
- None
- } else {
- // PANIC: We checked that `bytes.len() >= size_of::<Self>`, thus `split_at` cannot
- // panic.
- // TODO: replace with `split_at_checked` once the MSRV is >= 1.80.
- let (prefix, remainder) = bytes.split_at(size_of::<Self>());
+ let (prefix, remainder) = bytes.split_at_checked(size_of::<Self>())?;
- Self::from_bytes_copy(prefix).map(|s| (s, remainder))
- }
+ Self::from_bytes_copy(prefix).map(|s| (s, remainder))
}
}