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fix(wdt): fixed potential WDT timeout when deinitializing task watchdog

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If task WDT deinit was called from core 1 it would cause an interrupt WDT timeout
This commit is contained in:
Marius Vikhammer
2023-09-14 13:16:46 +08:00
parent c57d30e1df
commit e557ed94fb
1 changed files with 6 additions and 2 deletions
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8
components/esp_system/task_wdt.c
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@@ -252,10 +252,14 @@ esp_err_t esp_task_wdt_deinit(void)
//Disable hardware timer
wdt_hal_deinit(&twdt_context);
ESP_ERROR_CHECK(esp_intr_free(twdt_config->intr_handle)); //Unregister interrupt
free(twdt_config); //Free twdt_config
/* Need to exit critical section to free interrupt (potential IPC call), store and clear config before exiting */
twdt_config_t *twdt_config_temp = twdt_config;
twdt_config = NULL;
portEXIT_CRITICAL(&twdt_spinlock);
ESP_ERROR_CHECK(esp_intr_free(twdt_config_temp->intr_handle)); //Unregister interrupt
free(twdt_config_temp); //Free twdt_config
return ESP_OK;
}