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fix(core/rust): fix "unnecessary unsafe" warning

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This commit is contained in:
matejcik 2021-09-13 15:45:00 +02:00 committed by Martin Milata
parent 31de21718f
commit 795ed2d339
1 changed files with 3 additions and 5 deletions
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8
core/embed/rust/src/protobuf/encode.rs
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@ -38,12 +38,10 @@ pub extern "C" fn protobuf_encode(buf: Obj, obj: Obj) -> Obj {
util::try_or_raise(|| { util::try_or_raise(|| {
let obj = Gc::<MsgObj>::try_from(obj)?; let obj = Gc::<MsgObj>::try_from(obj)?;
// We assume there are no other refs into `buf` at this point. This specifically
// means that no fields of `obj` should reference `buf` memory.
let buf = &mut BufferMut::try_from(buf)?; let buf = &mut BufferMut::try_from(buf)?;
let stream = &mut BufferStream::new(unsafe { let stream = &mut BufferStream::new(buf.as_mut());
// SAFETY: We assume there are no other refs into `buf` at this point. This
// specifically means that no fields of `obj` should reference `buf` memory.
buf.as_mut()
});
Encoder.encode_message(stream, &obj.def(), &obj)?; Encoder.encode_message(stream, &obj.def(), &obj)?;