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Fix nullptr access in mixer group. This was only ever an issue on booboot and not in flight.

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Lorenz Meier
2016-12-19 20:17:32 +01:00
committed by Lorenz Meier
parent 6e32d0b52b
commit dfed9a3f13
1 changed files with 9 additions and 2 deletions
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src/modules/systemlib/mixer/mixer_group.cpp
+9 -2
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@@ -157,7 +157,14 @@ uint16_t
MixerGroup::get_saturation_status()
{
Mixer *mixer = _first;
return mixer->get_saturation_status();
uint16_t sat = 0;
while (mixer != nullptr) {
sat |= mixer->get_saturation_status();
mixer = mixer->_next;
}
return sat;
}
unsigned
@@ -166,7 +173,7 @@ MixerGroup::count()
Mixer *mixer = _first;
unsigned index = 0;
while ((mixer != nullptr)) {
while (mixer != nullptr) {
mixer = mixer->_next;
index++;
}