From: Uwe Zeisberger <Uwe_Zeisberger@digi.com>
Date: Sun, 30 Jul 2006 10:04:02 +0000 (-0700)
Subject: [PATCH] Add parentheses around arguments in the SH_DIV macro.
X-Git-Tag: v2.6.18-rc4~96
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0d94df56963251d896e87c6197f6df132593232b;p=linux-2.6

[PATCH] Add parentheses 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@digi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 043376920f..329ebcffa1 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -47,8 +47,8 @@
  *   - (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))