usb: Use DIV_ROUND_UP
authorLaurent Vivier <lvivier@redhat.com>
Tue, 31 May 2016 16:36:00 +0000 (18:36 +0200)
committerMichael Tokarev <mjt@tls.msk.ru>
Tue, 7 Jun 2016 15:19:25 +0000 (18:19 +0300)
Replace (((n) + (d) - 1) /(d)) by DIV_ROUND_UP(n,d).

This patch is the result of coccinelle script
scripts/coccinelle/round.cocci

CC: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
hw/usb/redirect.c

index 8d80540..8ec8484 100644 (file)
@@ -542,9 +542,9 @@ static void usbredir_handle_iso_data(USBRedirDevice *dev, USBPacket *p,
             start_iso.pkts_per_urb = 32;
         }
 
-        start_iso.no_urbs = (dev->endpoint[EP2I(ep)].bufpq_target_size +
-                             start_iso.pkts_per_urb - 1) /
-                            start_iso.pkts_per_urb;
+        start_iso.no_urbs = DIV_ROUND_UP(
+                                     dev->endpoint[EP2I(ep)].bufpq_target_size,
+                                     start_iso.pkts_per_urb);
         /* Output endpoints pre-fill only 1/2 of the packets, keeping the rest
            as overflow buffer. Also see the usbredir protocol documentation */
         if (!(ep & USB_DIR_IN)) {