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-rw-r--r--rust/kernel/debugfs/file_ops.rs43
1 files changed, 23 insertions, 20 deletions
diff --git a/rust/kernel/debugfs/file_ops.rs b/rust/kernel/debugfs/file_ops.rs
index 8a0442d6dd7a..f15908f71c4a 100644
--- a/rust/kernel/debugfs/file_ops.rs
+++ b/rust/kernel/debugfs/file_ops.rs
@@ -1,14 +1,23 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2025 Google LLC.
-use super::{BinaryReader, BinaryWriter, Reader, Writer};
-use crate::debugfs::callback_adapters::Adapter;
-use crate::fmt;
-use crate::fs::file;
-use crate::prelude::*;
-use crate::seq_file::SeqFile;
-use crate::seq_print;
-use crate::uaccess::UserSlice;
+use super::{
+ BinaryReader,
+ BinaryWriter,
+ Reader,
+ Writer, //
+};
+
+use crate::{
+ debugfs::callback_adapters::Adapter,
+ fmt,
+ fs::file,
+ prelude::*,
+ seq_file::SeqFile,
+ seq_print,
+ uaccess::UserSlice, //
+};
+
use core::marker::PhantomData;
#[cfg(CONFIG_DEBUG_FS)]
@@ -126,8 +135,7 @@ impl<T: Writer + Sync> ReadFile<T> for T {
llseek: Some(bindings::seq_lseek),
release: Some(bindings::single_release),
open: Some(writer_open::<Self>),
- // SAFETY: `file_operations` supports zeroes in all fields.
- ..unsafe { core::mem::zeroed() }
+ ..pin_init::zeroed()
};
// SAFETY: `operations` is all stock `seq_file` implementations except for `writer_open`.
// `open`'s only requirement beyond what is provided to all open functions is that the
@@ -179,8 +187,7 @@ impl<T: Writer + Reader + Sync> ReadWriteFile<T> for T {
write: Some(write::<T>),
llseek: Some(bindings::seq_lseek),
release: Some(bindings::single_release),
- // SAFETY: `file_operations` supports zeroes in all fields.
- ..unsafe { core::mem::zeroed() }
+ ..pin_init::zeroed()
};
// SAFETY: `operations` is all stock `seq_file` implementations except for `writer_open`
// and `write`.
@@ -235,8 +242,7 @@ impl<T: Reader + Sync> WriteFile<T> for T {
open: Some(write_only_open),
write: Some(write_only_write::<T>),
llseek: Some(bindings::noop_llseek),
- // SAFETY: `file_operations` supports zeroes in all fields.
- ..unsafe { core::mem::zeroed() }
+ ..pin_init::zeroed()
};
// SAFETY:
// * `write_only_open` populates the file private data with the inode private data
@@ -288,8 +294,7 @@ impl<T: BinaryWriter + Sync> BinaryReadFile<T> for T {
read: Some(blob_read::<T>),
llseek: Some(bindings::default_llseek),
open: Some(bindings::simple_open),
- // SAFETY: `file_operations` supports zeroes in all fields.
- ..unsafe { core::mem::zeroed() }
+ ..pin_init::zeroed()
};
// SAFETY:
@@ -343,8 +348,7 @@ impl<T: BinaryReader + Sync> BinaryWriteFile<T> for T {
write: Some(blob_write::<T>),
llseek: Some(bindings::default_llseek),
open: Some(bindings::simple_open),
- // SAFETY: `file_operations` supports zeroes in all fields.
- ..unsafe { core::mem::zeroed() }
+ ..pin_init::zeroed()
};
// SAFETY:
@@ -369,8 +373,7 @@ impl<T: BinaryWriter + BinaryReader + Sync> BinaryReadWriteFile<T> for T {
write: Some(blob_write::<T>),
llseek: Some(bindings::default_llseek),
open: Some(bindings::simple_open),
- // SAFETY: `file_operations` supports zeroes in all fields.
- ..unsafe { core::mem::zeroed() }
+ ..pin_init::zeroed()
};
// SAFETY: