uart_intr_config should return ESP_OK on success

diff --git a/components/driver/uart.c b/components/driver/uart.c
index 556e97baac5473fae9a61e5c06a3c84ea99f92dc..a2479f5db041b440c533ee891c49fd30a2e32b5e 100644 (file)
--- a/components/driver/uart.c
+++ b/components/driver/uart.c
@@ -447,7 +447,7 @@ esp_err_t uart_intr_config(uart_port_t uart_num, const uart_intr_config_t *intr_
     }
     UART[uart_num]->int_ena.val = intr_conf->intr_enable_mask;
     UART_EXIT_CRITICAL(&uart_spinlock[uart_num]);
-    return ESP_FAIL;
+    return ESP_OK;
 }
 
 //internal isr handler for default driver code.