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* [PATCH] rust: DmaFence: Implement Deref for FenceContext
@ 2026-10-22 16:21 Philipp Stanner
  2026-10-29 14:05 ` Alice Ryhl
  0 siblings, 1 reply; 2+ messages in thread
From: Philipp Stanner @ 2026-10-22 16:21 UTC (permalink / raw)
  To: Danilo Krummrich, Alice Ryhl, Sumit Semwal, Christian König,
	Philipp Stanner, Miguel Ojeda, Boqun Feng, Gary Guo,
	Björn Roy Baron, Benno Lossin, Andreas Hindborg,
	Trevor Gross, Daniel Almeida, Tamir Duberstein, Alexandre Courbot,
	Onur Özkan
  Cc: linux-media, dri-devel, rust-for-linux, linux-kernel

A FenceContext carries data, which the user should be able to access.

Implement Deref for FenceContext.

Signed-off-by: Philipp Stanner <phasta@kernel.org>
---
 rust/kernel/dma_buf/dma_fence.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/rust/kernel/dma_buf/dma_fence.rs b/rust/kernel/dma_buf/dma_fence.rs
index a1d851656562..5300448882e7 100644
--- a/rust/kernel/dma_buf/dma_fence.rs
+++ b/rust/kernel/dma_buf/dma_fence.rs
@@ -86,6 +86,15 @@ pub struct FenceContext<T: FenceContextOps + Send + Sync> {
     data: T,
 }
 
+impl<T: Send + Sync + FenceContextOps> Deref for FenceContext<T> {
+    type Target = T;
+
+    #[inline]
+    fn deref(&self) -> &Self::Target {
+        &self.data
+    }
+}
+
 impl<'a, T: Send + Sync + FenceContextOps> FenceContext<T> {
     // This can later be extended as a vtable in case other parties need support
     // for the more "exotic" callbacks.

base-commit: 3497a403264b094ebd61b8b755165d56e7d9dc37
-- 
2.56.0


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2026-10-22 16:21 [PATCH] rust: DmaFence: Implement Deref for FenceContext Philipp Stanner
2026-10-29 14:05 ` Alice Ryhl

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