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From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Sun, 29 May 2011 19:53:11 +0000 (UTC)
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Subject: svn commit: r222460 - head/sys/powerpc/powermac
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Author: nwhitehorn
Date: Sun May 29 19:53:11 2011
New Revision: 222460
URL: http://svn.freebsd.org/changeset/base/222460

Log:
  Don't put negative values into the averages.

Modified:
  head/sys/powerpc/powermac/powermac_thermal.c

Modified: head/sys/powerpc/powermac/powermac_thermal.c
==============================================================================
--- head/sys/powerpc/powermac/powermac_thermal.c	Sun May 29 18:41:06 2011	(r222459)
+++ head/sys/powerpc/powermac/powermac_thermal.c	Sun May 29 19:53:11 2011	(r222460)
@@ -121,6 +121,8 @@ pmac_therm_manage_fans(void)
 			    sensor->sensor->target_temp)*100 /
 			    (sensor->sensor->max_temp -
 			    sensor->sensor->target_temp);
+			if (frac_excess < 0)
+				frac_excess = 0;
 			if (sensor->sensor->zone == fan->fan->zone) {
 				max_excess_zone = imax(max_excess_zone,
 				    frac_excess);