prevent heap_caps_add_region exception if region is empty
Calling `esp_bt_controller_mem_release` or `esp_bt_mem_release` might result in exception if any of the regions returned to heap are empty. This happens usually if BT/BLE is enabled, but not used/linked in the final firmware.
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1 changed files with 16 additions and 8 deletions
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@ -885,12 +885,16 @@ esp_err_t esp_bt_controller_mem_release(esp_bt_mode_t mode)
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if (mode == ESP_BT_MODE_BTDM) {
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mem_start = (intptr_t)&_btdm_bss_start;
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mem_end = (intptr_t)&_btdm_bss_end;
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ESP_LOGD(BTDM_LOG_TAG, "Release BTDM BSS [0x%08x] - [0x%08x]\n", mem_start, mem_end);
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ESP_ERROR_CHECK(heap_caps_add_region(mem_start, mem_end));
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if (mem_start != mem_end) {
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ESP_LOGD(BTDM_LOG_TAG, "Release BTDM BSS [0x%08x] - [0x%08x]\n", mem_start, mem_end);
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ESP_ERROR_CHECK(heap_caps_add_region(mem_start, mem_end));
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}
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mem_start = (intptr_t)&_btdm_data_start;
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mem_end = (intptr_t)&_btdm_data_end;
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ESP_LOGD(BTDM_LOG_TAG, "Release BTDM Data [0x%08x] - [0x%08x]\n", mem_start, mem_end);
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ESP_ERROR_CHECK(heap_caps_add_region(mem_start, mem_end));
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if (mem_start != mem_end) {
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ESP_LOGD(BTDM_LOG_TAG, "Release BTDM Data [0x%08x] - [0x%08x]\n", mem_start, mem_end);
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ESP_ERROR_CHECK(heap_caps_add_region(mem_start, mem_end));
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}
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}
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return ESP_OK;
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}
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@ -908,12 +912,16 @@ esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
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if (mode == ESP_BT_MODE_BTDM) {
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mem_start = (intptr_t)&_bt_bss_start;
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mem_end = (intptr_t)&_bt_bss_end;
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ESP_LOGD(BTDM_LOG_TAG, "Release BT BSS [0x%08x] - [0x%08x]\n", mem_start, mem_end);
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ESP_ERROR_CHECK(heap_caps_add_region(mem_start, mem_end));
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if (mem_start != mem_end) {
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ESP_LOGD(BTDM_LOG_TAG, "Release BT BSS [0x%08x] - [0x%08x]\n", mem_start, mem_end);
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ESP_ERROR_CHECK(heap_caps_add_region(mem_start, mem_end));
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}
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mem_start = (intptr_t)&_bt_data_start;
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mem_end = (intptr_t)&_bt_data_end;
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ESP_LOGD(BTDM_LOG_TAG, "Release BT Data [0x%08x] - [0x%08x]\n", mem_start, mem_end);
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ESP_ERROR_CHECK(heap_caps_add_region(mem_start, mem_end));
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if (mem_start != mem_end) {
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ESP_LOGD(BTDM_LOG_TAG, "Release BT Data [0x%08x] - [0x%08x]\n", mem_start, mem_end);
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ESP_ERROR_CHECK(heap_caps_add_region(mem_start, mem_end));
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}
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}
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return ESP_OK;
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}
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