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refclock: check offset sanity

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Miroslav Lichvar 2015-04-07 15:02:32 +02:00
parent 4e26f48781
commit 42774ee851
1 changed files with 5 additions and 2 deletions
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7
refclock.c
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@ -367,7 +367,9 @@ RCL_AddSample(RCL_Instance instance, struct timeval *sample_time, double offset,
UTI_AddDoubleToTimeval(sample_time, correction, &cooked_time);
dispersion += instance->precision;
if (!valid_sample_time(instance, sample_time))
/* Make sure the timestamp and offset provided by the driver are sane */
if (!UTI_IsTimeOffsetSane(sample_time, offset) ||
!valid_sample_time(instance, sample_time))
return 0;
filter_add_sample(&instance->filter, &cooked_time, offset - correction + instance->offset, dispersion);
@ -407,7 +409,8 @@ RCL_AddPulse(RCL_Instance instance, struct timeval *pulse_time, double second)
UTI_AddDoubleToTimeval(pulse_time, correction, &cooked_time);
dispersion += instance->precision;
if (!valid_sample_time(instance, pulse_time))
if (!UTI_IsTimeOffsetSane(pulse_time, 0.0) ||
!valid_sample_time(instance, pulse_time))
return 0;
rate = instance->pps_rate;