rust: kernel: clean rustdoc warnings

Signed-off-by: Miguel Ojeda <[email protected]>

Author: ojeda

rust/kernel/file.rs

@@ -12,7 +12,7 @@ use core::{mem::ManuallyDrop, ops::Deref};
 ///
 /// # Invariants
 ///
-/// The pointer [`File::ptr`] is non-null and valid. Its reference count is also non-zero.
+/// The pointer `File::ptr` is non-null and valid. Its reference count is also non-zero.
 pub struct File {
     pub(crate) ptr: *mut bindings::file,
 }

rust/kernel/file_operations.rs

@@ -25,7 +25,7 @@ use crate::{
 ///
 /// # Invariants
 ///
-/// The pointer [`PollTable::ptr`] is null or valid.
+/// The pointer `PollTable::ptr` is null or valid.
 pub struct PollTable {
     ptr: *mut bindings::poll_table_struct,
 }

rust/kernel/iov_iter.rs

@@ -29,7 +29,7 @@ extern "C" {
 ///
 /// # Invariants
 ///
-/// The pointer [`IovIter::ptr`] is non-null and valid.
+/// The pointer `IovIter::ptr` is non-null and valid.
 pub struct IovIter {
     ptr: *mut bindings::iov_iter,
 }

rust/kernel/pages.rs

@@ -31,7 +31,7 @@ extern "C" {
 ///
 /// # Invariants
 ///
-/// The pointer [`Pages::pages`] is valid and points to 2^ORDER pages.
+/// The pointer `Pages::pages` is valid and points to 2^ORDER pages.
 pub struct Pages<const ORDER: u32> {
     pages: *mut bindings::page,
 }

rust/kernel/task.rs

@@ -22,7 +22,7 @@ extern "C" {
 ///
 /// # Invariants
 ///
-/// The pointer [`Task::ptr`] is non-null and valid. Its reference count is also non-zero.
+/// The pointer `Task::ptr` is non-null and valid. Its reference count is also non-zero.
 ///
 /// # Examples
 ///