clk: Use kcalloc() to allocate arrays

Instead of calculating sizes of arrays manually, kcalloc() can be used
to allocate arrays of elements with defined size. This is just a cleanup
patch without any functional changes.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 9e0a8372f59c7c71fe30467249758ffda5ad29f9..63f9ac16dcb6952886cee4b86c8a574f90d14280 100644 (file)
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1085,8 +1085,8 @@ static int clk_fetch_parent_index(struct clk *clk, struct clk *parent)
        int i;
 
        if (!clk->parents) {
-               clk->parents = kzalloc((sizeof(struct clk*) * clk->num_parents),
-                                                               GFP_KERNEL);
+               clk->parents = kcalloc(clk->num_parents,
+                                       sizeof(struct clk *), GFP_KERNEL);
                if (!clk->parents)
                        return -ENOMEM;
        }
@@ -1535,7 +1535,7 @@ static struct clk *__clk_init_parent(struct clk *clk)
 
        if (!clk->parents)
                clk->parents =
-                       kzalloc((sizeof(struct clk*) * clk->num_parents),
+                       kcalloc(clk->num_parents, sizeof(struct clk *),
                                        GFP_KERNEL);
 
        ret = clk_get_parent_by_index(clk, index);
@@ -1692,8 +1692,8 @@ int __clk_init(struct device *dev, struct clk *clk)
         * for clock drivers to statically initialize clk->parents.
         */
        if (clk->num_parents > 1 && !clk->parents) {
-               clk->parents = kzalloc((sizeof(struct clk*) * clk->num_parents),
-                               GFP_KERNEL);
+               clk->parents = kcalloc(clk->num_parents, sizeof(struct clk *),
+                                       GFP_KERNEL);
                /*
                 * __clk_lookup returns NULL for parents that have not been
                 * clk_init'd; thus any access to clk->parents[] must check
@@ -1833,8 +1833,8 @@ static int _clk_register(struct device *dev, struct clk_hw *hw, struct clk *clk)
        hw->clk = clk;
 
        /* allocate local copy in case parent_names is __initdata */
-       clk->parent_names = kzalloc((sizeof(char*) * clk->num_parents),
-                       GFP_KERNEL);
+       clk->parent_names = kcalloc(clk->num_parents, sizeof(char *),
+                                       GFP_KERNEL);
 
        if (!clk->parent_names) {
                pr_err("%s: could not allocate clk->parent_names\n", __func__);