diff options
-rw-r--r-- | include/linux/timex.h | 2 | ||||
-rw-r--r-- | kernel/time/ntp.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/timex.h b/include/linux/timex.h index 998a55d80ac..aa3475fcff6 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -190,7 +190,7 @@ struct timex { * offset and maximum frequency tolerance. */ #define SHIFT_USEC 16 /* frequency offset scale (shift) */ -#define PPM_SCALE (NSEC_PER_USEC << (NTP_SCALE_SHIFT - SHIFT_USEC)) +#define PPM_SCALE ((s64)NSEC_PER_USEC << (NTP_SCALE_SHIFT - SHIFT_USEC)) #define PPM_SCALE_INV_SHIFT 19 #define PPM_SCALE_INV ((1ll << (PPM_SCALE_INV_SHIFT + NTP_SCALE_SHIFT)) / \ PPM_SCALE + 1) diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index 4346ed6e623..7447d57e021 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -408,7 +408,7 @@ static inline void process_adjtimex_modes(struct timex *txc, struct timespec *ts time_status &= ~STA_NANO; if (txc->modes & ADJ_FREQUENCY) { - time_freq = (s64)txc->freq * PPM_SCALE; + time_freq = txc->freq * PPM_SCALE; time_freq = min(time_freq, MAXFREQ_SCALED); time_freq = max(time_freq, -MAXFREQ_SCALED); } @@ -505,7 +505,7 @@ int do_adjtimex(struct timex *txc) result = TIME_ERROR; txc->freq = shift_right((time_freq >> PPM_SCALE_INV_SHIFT) * - (s64)PPM_SCALE_INV, NTP_SCALE_SHIFT); + PPM_SCALE_INV, NTP_SCALE_SHIFT); txc->maxerror = time_maxerror; txc->esterror = time_esterror; txc->status = time_status; |