[PATCH v10 06/10] rust: miscdevice: set fops.owner from driver module pointer

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Alvin Sun

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Aug 11, 2026, 2:41:11 AM (5 days ago) Aug 11
to Miguel Ojeda, Boqun Feng, Gary Guo, Björn Roy Baron, Benno Lossin, Andreas Hindborg, Alice Ryhl, Trevor Gross, Danilo Krummrich, Luis Chamberlain, Petr Pavlu, Daniel Gomez, Sami Tolvanen, Aaron Tomlin, Greg Kroah-Hartman, Rafael J. Wysocki, David Airlie, Simona Vetter, Daniel Almeida, Arnd Bergmann, Brendan Higgins, David Gow, Rae Moar, Breno Leitao, Jens Axboe, Dave Ertman, Leon Romanovsky, Igor Korotin, FUJITA Tomonori, Bjorn Helgaas, Krzysztof Wilczyński, Arve Hjønnevåg, Todd Kjos, Christian Brauner, Carlos Llamas, rust-fo...@vger.kernel.org, linux-...@vger.kernel.org, drive...@lists.linux.dev, dri-...@lists.freedesktop.org, nova...@lists.linux.dev, linux-k...@vger.kernel.org, kuni...@googlegroups.com, linux...@vger.kernel.org, linux-...@vger.kernel.org, net...@vger.kernel.org, linu...@vger.kernel.org, Alvin Sun
Set the miscdevice fops owner field from the driver module pointer
via the `this_module::<T::OwnerModule>()` helper, instead of
defaulting to null.

Assisted-by: opencode:glm-5.2
Reviewed-by: Andreas Hindborg <a.hin...@kernel.org>
Reviewed-by: Gary Guo <ga...@garyguo.net>
Acked-by: Danilo Krummrich <da...@kernel.org>
Acked-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Reviewed-by: Alice Ryhl <alic...@google.com>
Signed-off-by: Alvin Sun <alvi...@linux.dev>
---
rust/kernel/miscdevice.rs | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rust/kernel/miscdevice.rs b/rust/kernel/miscdevice.rs
index 83ce50def5ac9..2a4329f98614e 100644
--- a/rust/kernel/miscdevice.rs
+++ b/rust/kernel/miscdevice.rs
@@ -24,12 +24,13 @@
IovIterSource, //
},
mm::virt::VmaNew,
+ module::this_module,
prelude::*,
seq_file::SeqFile,
types::{
ForeignOwnable,
Opaque, //
- },
+ }, //
};
use core::marker::PhantomData;

@@ -430,6 +431,7 @@ impl<T: MiscDevice> MiscdeviceVTable<T> {
} else {
None
},
+ owner: this_module::<T::OwnerModule>().as_ptr(),
..pin_init::zeroed()
};


--
2.43.0


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