regmap: replace kmalloc with kmalloc_array
Replace kmalloc with specialized function kmalloc_array when the size
is a multiplication of : number * size
Signed-off-by: lixiubo <lixiubo@cmss.chinamobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index 3b6cfed..9d7ced5 100644
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -361,8 +361,8 @@
rbnode->base_reg = reg;
}
- rbnode->block = kmalloc(rbnode->blklen * map->cache_word_size,
- GFP_KERNEL);
+ rbnode->block = kmalloc_array(rbnode->blklen, map->cache_word_size,
+ GFP_KERNEL);
if (!rbnode->block)
goto err_free;