linux-kernel - [PATCH] Add parenthesis around arguments in the SH

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Message-ID: <20060726093308.GA23035@digi.com>
Date:	Wed, 26 Jul 2006 11:33:09 +0200
From:	Uwe Zeisberger <Uwe_Zeisberger@...i.com>
To:	linux-kernel@...r.kernel.org
Subject: [PATCH] Add parenthesis around arguments in the SH_DIV macro.

There is currently no affected user in the tree, but
usage is less surprising that way.

Signed-off-by: Uwe Zeisberger <Uwe_Zeisberger@...i.com>
---

 include/linux/jiffies.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 0433769..329ebcf 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -47,8 +47,8 @@ #define LATCH_HPET ((HPET_TICK_RATE + HZ
  *   - (NOM / DEN) fits in (32 - LSH) bits.
  *   - (NOM % DEN) fits in (32 - LSH) bits.
  */
-#define SH_DIV(NOM,DEN,LSH) (   ((NOM / DEN) << LSH)                    \
-                             + (((NOM % DEN) << LSH) + DEN / 2) / DEN)
+#define SH_DIV(NOM,DEN,LSH) (   (((NOM) / (DEN)) << (LSH))              \
+                             + ((((NOM) % (DEN)) << (LSH)) + (DEN) / 2) / (DEN))
 
 /* HZ is the requested value. ACTHZ is actual HZ ("<< 8" is for accuracy) */
 #define ACTHZ (SH_DIV (CLOCK_TICK_RATE, LATCH, 8))
-- 
1.4.2.rc1.g83e1


-- 
Uwe Zeisberger
FS Forth-Systeme GmbH, A Digi International Company
Kueferstrasse 8, D-79206 Breisach, Germany
Phone: +49 (7667) 908 0 Fax: +49 (7667) 908 200
Web: www.fsforth.de, www.digi.com
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