check class_driver is null

2024-04-25 21:20:24 +08:00
parent 404225ade4
commit 7ee77b42ee
1 changed files with 1 additions and 1 deletions
--- 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,