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[pmsa003i] Fix read from uninitialized stack memory (#19053)

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Jeff Brown
2026-09-14 13:18:52 +12:00
committed by GitHub
parent 91b1a82a66
commit a0821c225a
1 changed files with 5 additions and 1 deletions
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esphome/components/pmsa003i/pmsa003i.cpp
+5 -1
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@@ -88,7 +88,11 @@ void PMSA003IComponent::update() {
bool PMSA003IComponent::read_data_(PM25AQIData *data) {
uint8_t buffer[COUNT_DATA_BYTES];
this->read_bytes_raw(buffer, COUNT_DATA_BYTES);
const i2c::ErrorCode error = this->read(buffer, COUNT_DATA_BYTES);
if (error != i2c::ERROR_OK) {
ESP_LOGW(TAG, "I2C error %d", error);
return false;
}
// https://github.com/adafruit/Adafruit_PM25AQI