diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 6854ac7..03dc3a5 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -655,7 +655,7 @@
 	if (size > UVC_MAX_FRAME_SIZE)
 		return -EINVAL;
 
-	npackets = (size + psize - 1) / psize;
+	npackets = DIV_ROUND_UP(size, psize);
 	if (npackets > UVC_MAX_ISO_PACKETS)
 		npackets = UVC_MAX_ISO_PACKETS;