From ccc5280e22e74920d69260f1ab80ddf231068e01 Mon Sep 17 00:00:00 2001
From: Lyude Paul <lyude@redhat.com>
Date: Thu, 12 Dec 2024 16:34:04 -0500
Subject: [PATCH] squash! WIP: rust: drm/kms: Add drm_crtc bindings
* Add missing safety comment in Crtc::new()
---
rust/kernel/drm/kms/crtc.rs | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/rust/kernel/drm/kms/crtc.rs b/rust/kernel/drm/kms/crtc.rs
index f703b7fd8c6f3..a2e58bb41f465 100644
--- a/rust/kernel/drm/kms/crtc.rs
+++ b/rust/kernel/drm/kms/crtc.rs
@@ -309,6 +309,10 @@ impl<T: DriverCrtc> Crtc<T> {
GFP_KERNEL
)?;
+ // SAFETY:
+ // - We just allocated `this`, and we won't move it since it's pinned
+ // - `primary` and `cursor` share the lifetime 'a with `dev`
+ // - This function will memcpy the contents of `name` into its own storage.
to_result(unsafe {
bindings::drm_crtc_init_with_planes(
dev.as_raw(),
--
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