treewide: other rustfmt-inspired cleanups

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Author: ojeda

drivers/android/transaction.rs

@@ -196,10 +196,10 @@ impl Transaction {
 
 impl DeliverToRead for Transaction {
     fn do_work(self: Ref<Self>, thread: &Thread, writer: &mut UserSlicePtrWriter) -> Result<bool> {
-        /* TODO: Initialise the following fields from tr:
-            pub sender_pid: pid_t,
-            pub sender_euid: uid_t,
-        */
+        // TODO: Initialise the following fields from `tr`:
+        //   - `pub sender_pid: pid_t`.
+        //   - `pub sender_euid: uid_t`.
+
         let send_failed_reply = ScopeGuard::new(|| {
             if self.node_ref.is_some() && self.flags & TF_ONE_WAY == 0 {
                 let reply = Either::Right(BR_FAILED_REPLY);

rust/kernel/hwrng.rs

@@ -96,7 +96,8 @@ impl<T: Operations> Registration<T> {
 
         let name = CString::try_from_fmt(name)?;
 
-        // SAFETY: Registration is pinned and contains allocated and set to zero `bindings::hwrng` structure.
+        // SAFETY: Registration is pinned and contains allocated and set to zero
+        // `bindings::hwrng` structure.
         Self::init_hwrng(
             unsafe { &mut *this.hwrng.get() },
             &name,

rust/kernel/sync/seqlock.rs

@@ -17,7 +17,7 @@ use core::{cell::UnsafeCell, marker::PhantomPinned, ops::Deref, pin::Pin};
 ///
 /// # Examples
 ///
-///```
+/// ```
 /// use core::sync::atomic::{AtomicU32, Ordering};
 /// use kernel::sync::{SeqLock, SpinLock};
 ///

rust/kernel/unsafe_list.rs

@@ -4,7 +4,7 @@
 //!
 //! We don't use the C version for two main reasons:
 //! - Next/prev pointers do not support `?Sized` types, so wouldn't be able to have a list of, for
-//!    example, dyn Trait.
+//!   example, `dyn Trait`.
 //! - It would require the list head to be pinned (in addition to the list entries).
 
 use core::{cell::UnsafeCell, iter, marker::PhantomPinned, mem::MaybeUninit, ptr::NonNull};

rust/macros/lib.rs

@@ -68,7 +68,8 @@ use proc_macro::TokenStream;
 ///   - `description`: byte array of the description of the kernel module.
 ///   - `license`: byte array of the license of the kernel module (required).
 ///   - `alias`: byte array of alias name of the kernel module.
-///   - `alias_rtnl_link`: byte array of the `rtnl_link_alias` of the kernel module (mutually exclusive with `alias`).
+///   - `alias_rtnl_link`: byte array of the `rtnl_link_alias` of the kernel module
+///     (mutually exclusive with `alias`).
 ///   - `params`: parameters for the kernel module, as described below.
 ///
 /// # Supported parameter types
@@ -85,8 +86,8 @@ use proc_macro::TokenStream;
 ///   - `isize`: No equivalent C param type.
 ///   - `usize`: No equivalent C param type.
 ///   - `str`: Corresponds to C `charp` param type. Reading returns a byte slice.
-///   - `ArrayParam<T,N>`: Corresponds to C parameters created using `module_param_array`. An array
-///     of `T`'s of length at **most** `N`.
+///   - `ArrayParam<T,N>`: Corresponds to C parameters created using `module_param_array`.
+///     An array of `T`'s of length at **most** `N`.
 ///
 /// `invbool` is unsupported: it was only ever used in a few modules.
 /// Consider using a `bool` and inverting the logic instead.