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From: Shannon Sterz <s.sterz@proxmox.com>
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Date: Thu, 6 Mar 2025 13:43:41 +0100
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Subject: [pbs-devel] [PATCH proxmox 11/19] shared-memory: specify generic
types for transmute
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this annotates a `transmute` call with proper types to avoid possible
undefined behaviour, as suggested by clippy [1].
[1]:
https://rust-lang.github.io/rust-clippy/master/index.html#missing_transmute_annotations
Signed-off-by: Shannon Sterz <s.sterz@proxmox.com>
---
proxmox-shared-memory/src/lib.rs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/proxmox-shared-memory/src/lib.rs b/proxmox-shared-memory/src/lib.rs
index defe678d..cffea598 100644
--- a/proxmox-shared-memory/src/lib.rs
+++ b/proxmox-shared-memory/src/lib.rs
@@ -75,7 +75,7 @@ fn mmap_file<T: Init>(file: &mut File, initialize: bool) -> Result<Mmap<T>, Erro
Err(err) => bail!("detected wrong types in mmaped files: {}", err),
}
- Ok(unsafe { std::mem::transmute(mmap) })
+ Ok(unsafe { std::mem::transmute::<Mmap<MaybeUninit<T>>, Mmap<T>>(mmap) })
}
impl<T: Sized + Init> SharedMemory<T> {
--
2.39.5
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