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Add some missing fallible methods that we need.
They are all marked as:
#[stable(feature = "kernel", since = "1.0.0")]
for easy identification.
Lina: Extracted from commit 487d7578bd03 ("rust: alloc: add some `try_*`
methods we need") in rust-for-linux/rust.
Signed-off-by: Miguel Ojeda <[email protected]>
Signed-off-by: Asahi Lina <[email protected]>
Link: https://github.com/Rust-for-Linux/linux/commit/487d7578bd03
Link: https://lore.kernel.org/r/[email protected]
[ Match the non-fallible methods from version 1.62.0, since those
in commit 487d7578bd03 were written for 1.54.0-beta.1. ]
Signed-off-by: Miguel Ojeda <[email protected]>