Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 89cd9de..78da5ea 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -263,7 +263,7 @@
 	case 3:
 		re_sort_routes(nr_node, 0, 1);
 		re_sort_routes(nr_node, 1, 2);
-		/* fall through */
+		fallthrough;
 	case 2:
 		re_sort_routes(nr_node, 0, 1);
 	case 1:
@@ -356,7 +356,7 @@
 				switch (i) {
 				case 0:
 					nr_node->routes[0] = nr_node->routes[1];
-					/* fall through */
+					fallthrough;
 				case 1:
 					nr_node->routes[1] = nr_node->routes[2];
 				case 2:
@@ -479,7 +479,7 @@
 				switch (i) {
 				case 0:
 					s->routes[0] = s->routes[1];
-					/* Fallthrough */
+					fallthrough;
 				case 1:
 					s->routes[1] = s->routes[2];
 				case 2:
@@ -526,7 +526,7 @@
 						switch (i) {
 						case 0:
 							t->routes[0] = t->routes[1];
-							/* fall through */
+							fallthrough;
 						case 1:
 							t->routes[1] = t->routes[2];
 						case 2:
@@ -839,6 +839,7 @@
 #ifdef CONFIG_PROC_FS
 
 static void *nr_node_start(struct seq_file *seq, loff_t *pos)
+	__acquires(&nr_node_list_lock)
 {
 	spin_lock_bh(&nr_node_list_lock);
 	return seq_hlist_start_head(&nr_node_list, *pos);
@@ -850,6 +851,7 @@
 }
 
 static void nr_node_stop(struct seq_file *seq, void *v)
+	__releases(&nr_node_list_lock)
 {
 	spin_unlock_bh(&nr_node_list_lock);
 }
@@ -894,6 +896,7 @@
 };
 
 static void *nr_neigh_start(struct seq_file *seq, loff_t *pos)
+	__acquires(&nr_neigh_list_lock)
 {
 	spin_lock_bh(&nr_neigh_list_lock);
 	return seq_hlist_start_head(&nr_neigh_list, *pos);
@@ -905,6 +908,7 @@
 }
 
 static void nr_neigh_stop(struct seq_file *seq, void *v)
+	__releases(&nr_neigh_list_lock)
 {
 	spin_unlock_bh(&nr_neigh_list_lock);
 }