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-rw-r--r--sys-utils/hwclock.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys-utils/hwclock.c b/sys-utils/hwclock.c
index 5e786a84a..fe97fcb75 100644
--- a/sys-utils/hwclock.c
+++ b/sys-utils/hwclock.c
@@ -1211,6 +1211,10 @@ do_adjustment(struct adjtime *adjtime_p,
printf(_
("Not setting clock because last adjustment time is zero, "
"so history is bad."));
+ } else if (abs(adjtime_p->drift_factor) > MAX_DRIFT) {
+ if (debug)
+ printf(_("Not setting clock because drift factor %f is far too high.\n"),
+ adjtime_p->drift_factor);
} else {
int adjustment;
/* Number of seconds we must insert in the Hardware Clock */