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esp_modem: Fixed modem netif deinit to clear IP events

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Function esp_modem_netif_clear_default_handlers() didn't unregister
event handlers from IP related events, so if the netif modem was
reinitialized the previous handler was called with already destroyed
esp_netif handle.

Closes https://github.com/espressif/esp-idf/issues/6787
This commit is contained in:
David Cermak
2021-03-30 19:05:25 +02:00
committed by bot
parent 509afa839e
commit 7872057976
1 changed files with 9 additions and 0 deletions
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9
examples/protocols/pppos_client/components/modem/src/esp_modem_netif.c
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@@ -144,6 +144,15 @@ esp_err_t esp_modem_netif_clear_default_handlers(void *h)
if (ret != ESP_OK) { if (ret != ESP_OK) {
goto clear_event_failed; goto clear_event_failed;
} }
ret = esp_event_handler_unregister(IP_EVENT, IP_EVENT_PPP_GOT_IP, esp_netif_action_connected);
if (ret != ESP_OK) {
goto clear_event_failed;
}
ret = esp_event_handler_unregister(IP_EVENT, IP_EVENT_PPP_LOST_IP, esp_netif_action_disconnected);
if (ret != ESP_OK) {
goto clear_event_failed;
}
return ESP_OK; return ESP_OK;
clear_event_failed: clear_event_failed: