Commit 0bc60571 authored by Danilo Krummrich's avatar Danilo Krummrich
Browse files

rust: debugfs: Implement BinaryReader for Mutex<T> only when T is Unpin 



Commit da123f0e ("rust: lock: guard: Add T: Unpin bound to
DerefMut") from tip/master adds an Unpin bound to T for Mutex<T>, hence
also restrict the implementation of BinaryReader for Mutex<T>
accordingly.

Reported-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/all/20251107134144.117905bd@canb.auug.org.au/


Reviewed-by: default avatarAlice Ryhl <aliceryhl@google.com>
Link: https://patch.msgid.link/20251107091612.2557480-1-dakr@kernel.org


Signed-off-by: default avatarDanilo Krummrich <dakr@kernel.org>
parent b892ed36

rust/kernel/debugfs/traits.rs

+1 −1
Original line number Diff line number Diff line
@@ -257,7 +257,7 @@ fn read_from_slice( 
}



// Delegate for `Mutex<T>`: Support a `T` with an outer `Mutex`.

impl<T: BinaryReaderMut> BinaryReader for Mutex<T> {

impl<T: BinaryReaderMut + Unpin> BinaryReader for Mutex<T> {

    fn read_from_slice(

        &self,

        reader: &mut UserSliceReader,