[PATCH] docs: rust: clean up empty `\\\` lines and improve rustdoc formatting

[hridesh <hridesh699@gmail.com>]

Remove unnecessary empty `\\\` lines in the rust docs. Also add linebreaks
in kernel::block::mq::Request to fix formatting

Suggested-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://github.com/Rust-for-Linux/linux/issues/1109
Signed-off-by: hridesh <hridesh699@gmail.com>
---
 rust/kernel/block/mq/request.rs | 7 +++----
 rust/kernel/rbtree.rs           | 1 -
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/rust/kernel/block/mq/request.rs b/rust/kernel/block/mq/request.rs
index a0e22827f3f4..3ab2917c9d25 100644
--- a/rust/kernel/block/mq/request.rs
+++ b/rust/kernel/block/mq/request.rs
@@ -22,15 +22,14 @@
 ///
 /// There are four states for a request that the Rust bindings care about:
 ///
-/// A) Request is owned by block layer (refcount 0)
+/// A) Request is owned by block layer (refcount 0)\
 /// B) Request is owned by driver but with zero `ARef`s in existence
-///    (refcount 1)
+///    (refcount 1)\
 /// C) Request is owned by driver with exactly one `ARef` in existence
-///    (refcount 2)
+///    (refcount 2)\
 /// D) Request is owned by driver with more than one `ARef` in existence
 ///    (refcount > 2)
 ///
-///
 /// We need to track A and B to ensure we fail tag to request conversions for
 /// requests that are not owned by the driver.
 ///
diff --git a/rust/kernel/rbtree.rs b/rust/kernel/rbtree.rs
index 25eb36fd1cdc..006f6e03aba5 100644
--- a/rust/kernel/rbtree.rs
+++ b/rust/kernel/rbtree.rs
@@ -1031,7 +1031,6 @@ fn next(&mut self) -> Option<Self::Item> {
 
 /// A memory reservation for a red-black tree node.
 ///
-///
 /// It contains the memory needed to hold a node that can be inserted into a red-black tree. One
 /// can be obtained by directly allocating it ([`RBTreeNodeReservation::new`]).
 pub struct RBTreeNodeReservation<K, V> {
-- 
2.46.0