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mdns: fix possible crash when mdns_free called while action queue not empty

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* Original commit: espressif/esp-idf@206b47c03a
This commit is contained in:
David Cermak
2019-02-15 13:23:21 +01:00
committed by suren-gabrielyan-espressif
parent 6582b41cd1
commit c546ab8dea
1 changed files with 2 additions and 2 deletions
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4
components/mdns/mdns.c
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@ -4017,8 +4017,6 @@ static esp_err_t _mdns_service_task_stop()
MDNS_SERVICE_LOCK(); MDNS_SERVICE_LOCK();
_mdns_stop_timer(); _mdns_stop_timer();
MDNS_SERVICE_UNLOCK(); MDNS_SERVICE_UNLOCK();
vSemaphoreDelete(_mdns_service_semaphore);
_mdns_service_semaphore = NULL;
if (_mdns_service_task_handle) { if (_mdns_service_task_handle) {
mdns_action_t action; mdns_action_t action;
mdns_action_t * a = &action; mdns_action_t * a = &action;
@ -4031,6 +4029,8 @@ static esp_err_t _mdns_service_task_stop()
vTaskDelay(10 / portTICK_PERIOD_MS); vTaskDelay(10 / portTICK_PERIOD_MS);
} }
} }
vSemaphoreDelete(_mdns_service_semaphore);
_mdns_service_semaphore = NULL;
return ESP_OK; return ESP_OK;
} }