From 7ee77b42ee9171f4eba587b128a28e52b581b904 Mon Sep 17 00:00:00 2001
From: sakumisu <1203593632@qq.com>
Date: Thu, 25 Apr 2024 21:20:24 +0800
Subject: check class_driver is null

---
 core/usbh_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/usbh_core.c b/core/usbh_core.c
index 33b3c709..d451a572 100644
--- a/core/usbh_core.c
+++ b/core/usbh_core.c
@@ -815,7 +815,7 @@ int lsusb(int argc, char **argv)
                     hport = &hub->child[port];
                     if (hport->connected) {
                         for (uint8_t i = 0; i < hport->config.config_desc.bNumInterfaces; i++) {
-                            if (hport->config.intf[i].class_driver->driver_name) {
+                            if (hport->config.intf[i].class_driver && hport->config.intf[i].class_driver->driver_name) {
                                 USB_LOG_RAW("\t|__Port %u, dev addr:0x%02x, If %u, ClassDriver=%s\r\n",
                                             hport->port,
                                             hport->dev_addr,
-- 
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