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-rw-r--r--kernel/time/ntp.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 5c00242fa921..5f1bb8e2008f 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -16,6 +16,8 @@
#include <linux/mm.h>
#include <linux/module.h>
+#include "tick-internal.h"
+
/*
* NTP timekeeping variables:
*/
@@ -646,6 +648,17 @@ int do_adjtimex(struct timex *txc)
hrtimer_cancel(&leap_timer);
}
+ if (txc->modes & ADJ_SETOFFSET) {
+ struct timespec delta;
+ delta.tv_sec = txc->time.tv_sec;
+ delta.tv_nsec = txc->time.tv_usec;
+ if (!(txc->modes & ADJ_NANO))
+ delta.tv_nsec *= 1000;
+ result = timekeeping_inject_offset(&delta);
+ if (result)
+ return result;
+ }
+
getnstimeofday(&ts);
write_seqlock_irq(&xtime_lock);