AP_NavEKF3: add prearm failure message for null core pointer

5 years ago · 3e21ef1389
1 changed files with 1 additions and 1 deletions
--- a/libraries/AP_NavEKF3/AP_NavEKF3.cpp
+++ b/libraries/AP_NavEKF3/AP_NavEKF3.cpp
@ -1549,7 +1549,7 @@ uint32_t NavEKF3::getLastVelNorthEastReset(Vector2f &vel) const
 const char *NavEKF3::prearm_failure_reason(void) const
 {
    if (!core) {
-        return nullptr;
+        return "no EKF3 cores";
    }
    for (uint8_t i = 0; i < num_cores; i++) {
        const char * failure = core[primary].prearm_failure_reason();