diff options
Diffstat (limited to 'kernel/time/ntp.c')
| -rw-r--r-- | kernel/time/ntp.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index 14a2ecf2b318..e64efaf957e8 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -249,10 +249,12 @@ int do_adjtimex(struct timex *txc) /* Now we validate the data before disabling interrupts */ - if ((txc->modes & ADJ_OFFSET_SINGLESHOT) == ADJ_OFFSET_SINGLESHOT) + if ((txc->modes & ADJ_OFFSET_SINGLESHOT) == ADJ_OFFSET_SINGLESHOT) { /* singleshot must not be used with any other mode bits */ - if (txc->modes != ADJ_OFFSET_SINGLESHOT) + if (txc->modes != ADJ_OFFSET_SINGLESHOT && + txc->modes != ADJ_OFFSET_SS_READ) return -EINVAL; + } if (txc->modes != ADJ_OFFSET_SINGLESHOT && (txc->modes & ADJ_OFFSET)) /* adjustment Offset limited to +- .512 seconds */ @@ -372,7 +374,8 @@ int do_adjtimex(struct timex *txc) leave: if ((time_status & (STA_UNSYNC|STA_CLOCKERR)) != 0) result = TIME_ERROR; - if ((txc->modes & ADJ_OFFSET_SINGLESHOT) == ADJ_OFFSET_SINGLESHOT) + if ((txc->modes == ADJ_OFFSET_SINGLESHOT) || + (txc->modes == ADJ_OFFSET_SS_READ)) txc->offset = save_adjust; else txc->offset = ((long)shift_right(time_offset, SHIFT_UPDATE)) * |