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clk: hisilicon: Use devm_kmalloc_array() in hisi_clk_alloc()

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* A multiplication for the size determination of a memory allocation
  indicated that an array data structure should be processed.
  Thus use the corresponding function "devm_kmalloc_array".

  This issue was detected by using the Coccinelle software.

* Replace the specification of a data type by a pointer dereference
  to make the corresponding size determination a bit safer according to
  the Linux coding style convention.

Signed-off-by: Markus Elfring <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>
This commit is contained in:
Markus Elfring 2017-04-18 10:15:19 +02:00 • committed by Stephen Boyd
commit 8d9bdc46c7
1 changed files with 3 additions and 2 deletions
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5
drivers/clk/hisilicon/clk.c
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@ -54,8 +54,9 @@ struct hisi_clock_data *hisi_clk_alloc(struct platform_device *pdev,
if (!clk_data->base)
return NULL;
clk_table = devm_kmalloc(&pdev->dev, sizeof(struct clk *) * nr_clks,
GFP_KERNEL);
clk_table = devm_kmalloc_array(&pdev->dev, nr_clks,
sizeof(*clk_table),
GFP_KERNEL);
if (!clk_table)
return NULL;