clk: at91: Use kcalloc() in of_at91_clk_pll_get_characteristics()

Commit Message

SF Markus Elfring April 19, 2017, 5:54 p.m. UTC

From: Markus Elfring <[e-mail]>
Date: Wed, 19 Apr 2017 19:43:03 +0200

Multiplications for the size determination of memory allocations
indicated that array data structures should be processed.
Thus use the corresponding function "kcalloc".

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <[e-mail]>
---
 drivers/clk/at91/clk-pll.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Comments

Stephen Boyd April 22, 2017, 2:14 a.m. UTC | #1

On 04/19, SF Markus Elfring wrote:
> From: Markus Elfring <[e-mail]>
> Date: Wed, 19 Apr 2017 19:43:03 +0200
> 
> Multiplications for the size determination of memory allocations
> indicated that array data structures should be processed.
> Thus use the corresponding function "kcalloc".
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <[e-mail]>
> ---

Applied to clk-next

Patch

diff --git a/drivers/clk/at91/clk-pll.c b/drivers/clk/at91/clk-pll.c
index 45ad168e1496..7d3223fc7161 100644
--- a/drivers/clk/at91/clk-pll.c
+++ b/drivers/clk/at91/clk-pll.c
@@ -399,18 +399,18 @@  of_at91_clk_pll_get_characteristics(struct device_node *np)
 	if (!characteristics)
 		return NULL;
 
-	output = kzalloc(sizeof(*output) * num_output, GFP_KERNEL);
+	output = kcalloc(num_output, sizeof(*output), GFP_KERNEL);
 	if (!output)
 		goto out_free_characteristics;
 
 	if (num_cells > 2) {
-		out = kzalloc(sizeof(*out) * num_output, GFP_KERNEL);
+		out = kcalloc(num_output, sizeof(*out), GFP_KERNEL);
 		if (!out)
 			goto out_free_output;
 	}
 
 	if (num_cells > 3) {
-		icpll = kzalloc(sizeof(*icpll) * num_output, GFP_KERNEL);
+		icpll = kcalloc(num_output, sizeof(*icpll), GFP_KERNEL);
 		if (!icpll)
 			goto out_free_output;
 	}