bootloader: Fix issue - bs->app_count is zero but ota_data have valid entry

If we have the partition table without any ota_apps but in ota_data have
valide entry, in this case we get an error(hang). This commit fix this
case. If bs->app_count is zero when selecting the factory app.

Closes https://github.com/espressif/esp-idf/issues/2218
This commit is contained in:
Konstantin Kondrashov 2018-07-24 13:09:32 +08:00
parent 9b6769411a
commit 7f2edf8528

View file

@ -210,8 +210,8 @@ int bootloader_utility_get_selected_boot_partition(const bootloader_state_t *bs)
bootloader_munmap(ota_select_map);
ESP_LOGD(TAG, "OTA sequence values A 0x%08x B 0x%08x", sa.ota_seq, sb.ota_seq);
if(sa.ota_seq == UINT32_MAX && sb.ota_seq == UINT32_MAX) {
ESP_LOGD(TAG, "OTA sequence numbers both empty (all-0xFF)");
if ((sa.ota_seq == UINT32_MAX && sb.ota_seq == UINT32_MAX) || (bs->app_count == 0)) {
ESP_LOGD(TAG, "OTA sequence numbers both empty (all-0xFF) or partition table does not have bootable ota_apps (app_count=%d)", bs->app_count);
if (bs->factory.offset != 0) {
ESP_LOGI(TAG, "Defaulting to factory image");
return FACTORY_INDEX;