[13/19,media] uvc_video: Use kmalloc_array() in uvc_video_clock_init()

Commit Message

SF Markus Elfring Dec. 25, 2016, 6:45 p.m. UTC

From: Markus Elfring <[e-mail]>
Date: Sun, 25 Dec 2016 16:45:21 +0100

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 <[e-mail]>
---
 drivers/media/usb/uvc/uvc_video.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Patch

diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index f3c1c852e401..05b396f033ca 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -500,9 +500,9 @@  static int uvc_video_clock_init(struct uvc_streaming *stream)
 
 	spin_lock_init(&clock->lock);
 	clock->size = 32;
-
-	clock->samples = kmalloc(clock->size * sizeof(*clock->samples),
-				 GFP_KERNEL);
+	clock->samples = kmalloc_array(clock->size,
+				       sizeof(*clock->samples),
+				       GFP_KERNEL);
 	if (clock->samples == NULL)
 		return -ENOMEM;