[PATCH] clk-kona-setup: Use kmalloc_array() in parent_process()

From: SF Markus Elfring
Date: Wed Sep 14 2016 - 14:40:48 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 14 Sep 2016 20:26:05 +0200

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

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/clk/bcm/clk-kona-setup.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/bcm/clk-kona-setup.c b/drivers/clk/bcm/clk-kona-setup.c
index 526b0b0..a2e7e91 100644
--- a/drivers/clk/bcm/clk-kona-setup.c
+++ b/drivers/clk/bcm/clk-kona-setup.c
@@ -586,8 +586,9 @@ static u32 *parent_process(const char *clocks[],
}

/* There is at least one parent, so allocate a selector array */
-
- parent_sel = kmalloc(parent_count * sizeof(*parent_sel), GFP_KERNEL);
+ parent_sel = kmalloc_array(parent_count,
+ sizeof(*parent_sel),
+ GFP_KERNEL);
if (!parent_sel) {
pr_err("%s: error allocating %u parent selectors\n", __func__,
parent_count);
--
2.10.0