1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index 02f490bad30f..bb8c3bbc7812 100644
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -362,7 +362,7 @@ static int regcache_rbtree_write(struct regmap *map, unsigned int reg,
                 rbnode = kzalloc(sizeof *rbnode, GFP_KERNEL);
                 if (!rbnode)
                         return -ENOMEM;
-                rbnode->blklen = sizeof(*rbnode);
+                rbnode->blklen = 1;
                 rbnode->base_reg = reg;
                 rbnode->block = kmalloc(rbnode->blklen * map->cache_word_size,
                                         GFP_KERNEL);