maple_tree: remove pointer to pointer use in mas_alloc_nodes()

There is a more direct and cleaner way of implementing the same functional
code.  Remove the confusing and unnecessary use of pointers here.

Link: https://lkml.kernel.org/r/20221026151241.4031117-1-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Suggested-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index fbde494..72e3b6a 100644 (file)
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -1209,7 +1209,6 @@ done:
 static inline void mas_alloc_nodes(struct ma_state *mas, gfp_t gfp)
 {
        struct maple_alloc *node;
-       struct maple_alloc **nodep = &mas->alloc;
        unsigned long allocated = mas_allocated(mas);
        unsigned long success = allocated;
        unsigned int requested = mas_alloc_req(mas);
@@ -1263,8 +1262,7 @@ static inline void mas_alloc_nodes(struct ma_state *mas, gfp_t gfp)
                        node->node_count--;
 
                success += count;
-               nodep = &node->slot[0];
-               node = *nodep;
+               node = node->slot[0];
                requested -= count;
        }
        mas->alloc->total = success;