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[ld2412] Fix null deref in set_basic_config when entities unconfigured (#15893)

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Jonathan Swoboda
2026-04-21 07:47:07 -04:00
committed by GitHub
parent a8bd035b62
commit 26a656af29
1 changed files with 24 additions and 18 deletions
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42
esphome/components/ld2412/ld2412.cpp
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@@ -766,32 +766,38 @@ void LD2412Component::get_distance_resolution_() { this->send_command_(CMD_QUERY
void LD2412Component::query_light_control_() { this->send_command_(CMD_QUERY_LIGHT_CONTROL, nullptr, 0); }
void LD2412Component::set_basic_config() {
uint8_t min_gate = 1;
uint8_t max_gate = TOTAL_GATES;
uint16_t timeout = DEFAULT_PRESENCE_TIMEOUT;
uint8_t out_pin_level = 0x01;
#ifdef USE_NUMBER
if (!this->min_distance_gate_number_->has_state() || !this->max_distance_gate_number_->has_state() ||
!this->timeout_number_->has_state()) {
return;
if (this->min_distance_gate_number_ != nullptr) {
if (!this->min_distance_gate_number_->has_state())
return;
min_gate = static_cast<int>(this->min_distance_gate_number_->state);
}
if (this->max_distance_gate_number_ != nullptr) {
if (!this->max_distance_gate_number_->has_state())
return;
max_gate = static_cast<int>(this->max_distance_gate_number_->state) + 1;
}
if (this->timeout_number_ != nullptr) {
if (!this->timeout_number_->has_state())
return;
timeout = static_cast<int>(this->timeout_number_->state);
}
#endif
#ifdef USE_SELECT
if (!this->out_pin_level_select_->has_state()) {
return;
if (this->out_pin_level_select_ != nullptr) {
if (!this->out_pin_level_select_->has_state())
return;
out_pin_level = find_uint8(OUT_PIN_LEVELS_BY_STR, this->out_pin_level_select_->current_option().c_str());
}
#endif
uint8_t value[5] = {
#ifdef USE_NUMBER
lowbyte(static_cast<int>(this->min_distance_gate_number_->state)),
lowbyte(static_cast<int>(this->max_distance_gate_number_->state) + 1),
lowbyte(static_cast<int>(this->timeout_number_->state)),
highbyte(static_cast<int>(this->timeout_number_->state)),
#else
1, TOTAL_GATES, DEFAULT_PRESENCE_TIMEOUT, 0,
#endif
#ifdef USE_SELECT
find_uint8(OUT_PIN_LEVELS_BY_STR, this->out_pin_level_select_->current_option().c_str()),
#else
0x01, // Default value if not using select
#endif
lowbyte(min_gate), lowbyte(max_gate), lowbyte(timeout), highbyte(timeout), out_pin_level,
};
this->set_config_mode_(true);
this->send_command_(CMD_BASIC_CONF, value, sizeof(value));