console: minor fixes

- wrong comment
- duplicated setvbuf

components/console/esp_console_repl.c

@@ -76,7 +76,7 @@ esp_err_t esp_console_new_repl_usb_cdc(const esp_console_dev_usb_cdc_config_t *d
     /* Move the caret to the beginning of the next line on '\n' */
     esp_vfs_dev_cdcacm_set_tx_line_endings(ESP_LINE_ENDINGS_CRLF);
 
-    /* Enable non-blocking mode on stdin and stdout */
+    /* Enable blocking mode on stdin and stdout */
     fcntl(fileno(stdout), F_SETFL, 0);
     fcntl(fileno(stdin), F_SETFL, 0);
 
@@ -136,15 +136,12 @@ esp_err_t esp_console_new_repl_usb_serial_jtag(const esp_console_dev_usb_serial_
         goto _exit;
     }
 
-    /* Disable buffering on stdin */
-    setvbuf(stdin, NULL, _IONBF, 0);
-
     /* Minicom, screen, idf_monitor send CR when ENTER key is pressed */
     esp_vfs_dev_usb_serial_jtag_set_rx_line_endings(ESP_LINE_ENDINGS_CR);
     /* Move the caret to the beginning of the next line on '\n' */
     esp_vfs_dev_usb_serial_jtag_set_tx_line_endings(ESP_LINE_ENDINGS_CRLF);
 
-    /* Enable non-blocking mode on stdin and stdout */
+    /* Enable blocking mode on stdin and stdout */
     fcntl(fileno(stdout), F_SETFL, 0);
     fcntl(fileno(stdin), F_SETFL, 0);