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AP_DAL: correct rangefinder get_backend range check

This commit is contained in:
Peter Barker 2020-12-01 21:26:07 +11:00 committed by Andrew Tridgell
parent 1bef41b42e
commit 54bae68e02
1 changed files with 4 additions and 1 deletions
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3
libraries/AP_DAL/AP_DAL_RangeFinder.cpp
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@ -119,6 +119,9 @@ AP_DAL_RangeFinder_Backend *AP_DAL_RangeFinder::get_backend(uint8_t id) const
INTERNAL_ERROR(AP_InternalError::error_t::flow_of_control);
return nullptr;
}
if (id >= _RRNH.num_sensors) {
return nullptr;
}
return _backend[id];
}