[PATCH 1/5] [media] winbond-cir: Use kmalloc_array() in wbcir_tx()

From: SF Markus Elfring
Date: Fri Oct 14 2016 - 07:45:21 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 14 Oct 2016 07:19:00 +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/media/rc/winbond-cir.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c
index 95ae60e..59050f5 100644
--- a/drivers/media/rc/winbond-cir.c
+++ b/drivers/media/rc/winbond-cir.c
@@ -660,7 +660,7 @@ wbcir_tx(struct rc_dev *dev, unsigned *b, unsigned count)
unsigned i;
unsigned long flags;

- buf = kmalloc(count * sizeof(*b), GFP_KERNEL);
+ buf = kmalloc_array(count, sizeof(*b), GFP_KERNEL);
if (!buf)
return -ENOMEM;

--
2.10.1