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authorIngo Molnar <mingo@kernel.org>2024-10-17 09:58:07 +0200
committerIngo Molnar <mingo@kernel.org>2024-10-17 09:58:07 +0200
commitbe602cde657ee43d23adbf309be6d700d0106dc9 (patch)
treed27775738d0deefe7c3071be7d667912dc3ee932 /rust/kernel/device.rs
parentcd9626e9ebc77edec33023fe95dab4b04ffc819d (diff)
parentc964ced7726294d40913f2127c3f185a92cb4a41 (diff)
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Merge branch 'linus' into sched/urgent, to resolve conflict
Conflicts: kernel/sched/ext.c There's a context conflict between this upstream commit: 3fdb9ebcec10 sched_ext: Start schedulers with consistent p->scx.slice values ... and this fix in sched/urgent: 98442f0ccd82 sched: Fix delayed_dequeue vs switched_from_fair() Resolve it. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'rust/kernel/device.rs')
-rw-r--r--rust/kernel/device.rs15
1 files changed, 3 insertions, 12 deletions
diff --git a/rust/kernel/device.rs b/rust/kernel/device.rs
index 851018eef885..c8199ee079ef 100644
--- a/rust/kernel/device.rs
+++ b/rust/kernel/device.rs
@@ -51,18 +51,9 @@ impl Device {
///
/// It must also be ensured that `bindings::device::release` can be called from any thread.
/// While not officially documented, this should be the case for any `struct device`.
- pub unsafe fn from_raw(ptr: *mut bindings::device) -> ARef<Self> {
- // SAFETY: By the safety requirements, ptr is valid.
- // Initially increase the reference count by one to compensate for the final decrement once
- // this newly created `ARef<Device>` instance is dropped.
- unsafe { bindings::get_device(ptr) };
-
- // CAST: `Self` is a `repr(transparent)` wrapper around `bindings::device`.
- let ptr = ptr.cast::<Self>();
-
- // SAFETY: `ptr` is valid by the safety requirements of this function. By the above call to
- // `bindings::get_device` we also own a reference to the underlying `struct device`.
- unsafe { ARef::from_raw(ptr::NonNull::new_unchecked(ptr)) }
+ pub unsafe fn get_device(ptr: *mut bindings::device) -> ARef<Self> {
+ // SAFETY: By the safety requirements ptr is valid
+ unsafe { Self::as_ref(ptr) }.into()
}
/// Obtain the raw `struct device *`.