[PATCH v1 4/4] clk: visconti: Switch to use kmemdup_array()

Andy Shevchenko
2024-06-06T16:10:39Z

Let the kememdup_array() take care about multiplication and possible
overflows.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/clk/visconti/pll.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/clk/visconti/pll.c b/drivers/clk/visconti/pll.c
index e9cd80e085dc..3f929cf8dd2f 100644
--- a/drivers/clk/visconti/pll.c
+++ b/drivers/clk/visconti/pll.c
@@ -262,9 +262,9 @@ static struct clk_hw *visconti_register_pll(struct visconti_pll_provider *ctx,
for (len = 0; rate_table[len].rate != 0; )
len++;
pll->rate_count = len;
- pll->rate_table = kmemdup(rate_table,
- pll->rate_count * sizeof(struct visconti_pll_rate_table),
- GFP_KERNEL);
+ pll->rate_table = kmemdup_array(rate_table,
+ pll->rate_count, sizeof(*pll->rate_table),
+ GFP_KERNEL);
WARN(!pll->rate_table, "%s: could not allocate rate table for %s\n", __func__, name);

init.ops = &visconti_pll_ops;
--
2.43.0.rc1.1336.g36b5255a03ac