From: Laurent Vivier <lvivier@redhat.com>
Date: Tue, 31 May 2016 16:36:04 +0000 (+0200)
Subject: qemu-timer: Use DIV_ROUND_UP
X-Git-Tag: qemu-xen-4.8.0-rc1~227^2~1
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=5029b969d1475fad8f294be6edaa66d280df3039;p=qemu-xen.git

qemu-timer: Use DIV_ROUND_UP

Replace (((n) + (d) - 1) /(d)) by DIV_ROUND_UP(n,d).

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

CC: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---

diff --git a/qemu-timer.c b/qemu-timer.c
index 4441fe66ff..eb22e9218b 100644
--- a/qemu-timer.c
+++ b/qemu-timer.c
@@ -292,7 +292,7 @@ int qemu_timeout_ns_to_ms(int64_t ns)
     /* Always round up, because it's better to wait too long than to wait too
      * little and effectively busy-wait
      */
-    ms = (ns + SCALE_MS - 1) / SCALE_MS;
+    ms = DIV_ROUND_UP(ns, SCALE_MS);
 
     /* To avoid overflow problems, limit this to 2^31, i.e. approx 25 days */
     if (ms > (int64_t) INT32_MAX) {