kopia lustrzana https://github.com/espressif/esp-idf
esp_event: fix possibility of null ptr dereference
Closes https://github.com/espressif/esp-idf/issues/4373pull/4494/head
rodzic
dbae85dde8
commit
bb139d2b83
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@ -678,15 +678,15 @@ esp_err_t esp_event_handler_register_with(esp_event_loop_handle_t event_loop, es
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(last_loop_node && !SLIST_EMPTY(&(last_loop_node->base_nodes)) && is_loop_level_handler)) {
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loop_node = (esp_event_loop_node_t*) calloc(1, sizeof(*loop_node));
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SLIST_INIT(&(loop_node->handlers));
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SLIST_INIT(&(loop_node->base_nodes));
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if (!loop_node) {
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ESP_LOGE(TAG, "alloc for new loop node failed");
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err = ESP_ERR_NO_MEM;
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goto on_err;
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}
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SLIST_INIT(&(loop_node->handlers));
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SLIST_INIT(&(loop_node->base_nodes));
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err = loop_node_add_handler(loop_node, event_base, event_id, event_handler, event_handler_arg);
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if (err == ESP_OK) {
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