1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index b6b5b2affad1..17100471e461 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -1404,7 +1404,7 @@ static struct urb *iso_alloc_urb (
                 return NULL;
         maxp = 0x7ff & le16_to_cpu(desc->wMaxPacketSize);
         maxp *= 1 + (0x3 & (le16_to_cpu(desc->wMaxPacketSize) >> 11));
-        packets = (bytes + maxp - 1) / maxp;
+        packets = DIV_ROUND_UP(bytes, maxp);
 
         urb = usb_alloc_urb (packets, GFP_KERNEL);
         if (!urb)