linux-kernel - [PATCH] time_adjust cleared before use

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Message-Id: <1161876597.7885.9.camel@x2.site>
Date:	Thu, 26 Oct 2006 11:29:57 -0400
From:	Jim Houston <jim.houston@...cast.net>
To:	Roman Zippel <zippel@...ux-m68k.org>
Cc:	John Stultz <johnstul@...ibm.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] time_adjust cleared before use

Hi

I notice that the code which implements adjtime clears
the time_adjust value before using it.  The attached 
patch makes the obvious fix.

Jim Houston - Concurrent Computer Corp.

--

diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 47195fa..3afeaa3 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -161,9 +161,9 @@ void second_overflow(void)
 			time_adjust += MAX_TICKADJ;
 			tick_length -= MAX_TICKADJ_SCALED;
 		} else {
-			time_adjust = 0;
 			tick_length += (s64)(time_adjust * NSEC_PER_USEC /
 					     HZ) << TICK_LENGTH_SHIFT;
+			time_adjust = 0;
 		}
 	}
 }


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