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path: root/drivers/clk
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Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/clk.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 687b00d67c8..df89cbfc1bd 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -999,7 +999,7 @@ static struct clk *__clk_init_parent(struct clk *clk)
if (!clk->parents)
clk->parents =
- kmalloc((sizeof(struct clk*) * clk->num_parents),
+ kzalloc((sizeof(struct clk*) * clk->num_parents),
GFP_KERNEL);
if (!clk->parents)
@@ -1065,9 +1065,13 @@ static int __clk_set_parent(struct clk *clk, struct clk *parent)
old_parent = clk->parent;
/* find index of new parent clock using cached parent ptrs */
- for (i = 0; i < clk->num_parents; i++)
- if (clk->parents[i] == parent)
- break;
+ if (clk->parents)
+ for (i = 0; i < clk->num_parents; i++)
+ if (clk->parents[i] == parent)
+ break;
+ else
+ clk->parents = kzalloc((sizeof(struct clk*) * clk->num_parents),
+ GFP_KERNEL);
/*
* find index of new parent clock using string name comparison
@@ -1076,7 +1080,8 @@ static int __clk_set_parent(struct clk *clk, struct clk *parent)
if (i == clk->num_parents)
for (i = 0; i < clk->num_parents; i++)
if (!strcmp(clk->parent_names[i], parent->name)) {
- clk->parents[i] = __clk_lookup(parent->name);
+ if (clk->parents)
+ clk->parents[i] = __clk_lookup(parent->name);
break;
}