From patchwork Tue May 31 16:36:00 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 628318 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3rJzvc4zXkz9t3q for ; Wed, 1 Jun 2016 02:48:28 +1000 (AEST) Received: from localhost ([::1]:37253 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7mqA-0007Pm-Lo for incoming@patchwork.ozlabs.org; Tue, 31 May 2016 12:48:26 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37562) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7mfW-0005eh-Nv for qemu-devel@nongnu.org; Tue, 31 May 2016 12:37:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b7mfT-0003R1-0g for qemu-devel@nongnu.org; Tue, 31 May 2016 12:37:25 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40716) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7mfS-0003Qp-RO; Tue, 31 May 2016 12:37:22 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6DE427DCC1; Tue, 31 May 2016 16:37:22 +0000 (UTC) Received: from thinkpad.redhat.com (ovpn-112-32.ams2.redhat.com [10.36.112.32]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u4VGa8QP011053; Tue, 31 May 2016 12:37:17 -0400 From: Laurent Vivier To: qemu-trivial@nongnu.org, qemu-devel@nongnu.org Date: Tue, 31 May 2016 18:36:00 +0200 Message-Id: <1464712565-14857-12-git-send-email-lvivier@redhat.com> In-Reply-To: <1464712565-14857-1-git-send-email-lvivier@redhat.com> References: <1464712565-14857-1-git-send-email-lvivier@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Tue, 31 May 2016 16:37:22 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 11/16] usb: Use DIV_ROUND_UP X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Gerd Hoffmann Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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 Signed-off-by: Laurent Vivier --- hw/usb/redirect.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c index 8d80540..8ec8484 100644 --- a/hw/usb/redirect.c +++ b/hw/usb/redirect.c @@ -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)) {