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rust: drm: set fops.owner from driver module pointer

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Change `create_fops()` to accept an owner module pointer instead of
hardcoding `null_mut()`, ensuring the kernel correctly tracks the
module owning the DRM device's file operations.

Assisted-by: opencode:glm-5.2
Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
Reviewed-by: Gary Guo <gary@garyguo.net>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: Alvin Sun <alvin.sun@linux.dev>
Link: https://patch.msgid.link/20260811-fix-fops-owner-v10-5-7e71776f9dbe@linux.dev
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Alvin Sun
2026-08-12 09:36:26 +02:00
committed by Miguel Ojeda
parent 7d3e99e933
commit 3ef9758930
2 changed files with 4 additions and 3 deletions
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rust/kernel/drm/device.rs
+2 -1
View File
@@ -203,7 +203,8 @@ impl<T: drm::Driver> UnregisteredDevice<T> {
fops: &Self::GEM_FOPS,
};
const GEM_FOPS: bindings::file_operations = drm::gem::create_fops();
const GEM_FOPS: bindings::file_operations =
drm::gem::create_fops(crate::module::this_module::<T::OwnerModule>().as_ptr());
/// Create a new `UnregisteredDevice` for a `drm::Driver`.
///
rust/kernel/drm/gem/mod.rs
+2 -2
View File
@@ -387,10 +387,10 @@ impl<T: DriverObject, Ctx: DeviceContext> AllocImpl for Object<T, Ctx> {
};
}
pub(super) const fn create_fops() -> bindings::file_operations {
pub(super) const fn create_fops(owner: *mut bindings::module) -> bindings::file_operations {
let mut fops: bindings::file_operations = pin_init::zeroed();
fops.owner = core::ptr::null_mut();
fops.owner = owner;
fops.open = Some(bindings::drm_open);
fops.release = Some(bindings::drm_release);
fops.unlocked_ioctl = Some(bindings::drm_ioctl);