regmap: cache: use kmalloc_array instead of kmalloc

This patch fixes checkpatch.pl warning for regmap cache.
WARNING : prefer kmalloc_array over kmalloc with multiply

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 0852c890b4b5992093096922df7430f5ade19adb..726d956f6a298ae3500c55f207fc3594a7daf211 100644 (file)
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -61,8 +61,8 @@ static int regcache_hw_init(struct regmap *map)
                if (!regmap_volatile(map, i * map->reg_stride))
                        count++;
 
-       map->reg_defaults = kmalloc(count * sizeof(struct reg_default),
-                                     GFP_KERNEL);
+       map->reg_defaults = kmalloc_array(count, sizeof(struct reg_default),
+                                         GFP_KERNEL);
        if (!map->reg_defaults) {
                ret = -ENOMEM;
                goto err_free;