esp_ota_ops.c: Fix size calculation to erase partition range for OTA image
Closes
@@ -157,7 +157,8 @@ esp_err_t esp_ota_begin(const esp_partition_t *partition, size_t image_size, esp
if ((image_size == 0) || (image_size == OTA_SIZE_UNKNOWN)) {
ret = esp_partition_erase_range(partition, 0, partition->size);
} else {
- ret = esp_partition_erase_range(partition, 0, (image_size / SPI_FLASH_SEC_SIZE + 1) * SPI_FLASH_SEC_SIZE);
+ const int aligned_erase_size = (image_size + SPI_FLASH_SEC_SIZE - 1) & ~(SPI_FLASH_SEC_SIZE - 1);
+ ret = esp_partition_erase_range(partition, 0, aligned_erase_size);
}
if (ret != ESP_OK) {
