Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
rust: auxiliary: implement parent() for Device<Bound>
Take advantage of the fact that if the auxiliary device is bound the
parent is guaranteed to be bound as well and implement a separate
parent() method for auxiliary::Device<Bound>.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
+10
+10
rust/kernel/auxiliary.rs
+10
rust/kernel/auxiliary.rs
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}
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}
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impl Device<device::Bound> {
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/// Returns a bound reference to the parent [`device::Device`].
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pub fn parent(&self) -> &device::Device<device::Bound> {
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let parent = (**self).parent();
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// SAFETY: A bound auxiliary device always has a bound parent device.
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unsafe { parent.as_bound() }
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}
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}
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impl Device {
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/// Returns a reference to the parent [`device::Device`].
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pub fn parent(&self) -> &device::Device {