diff --git a/Makefile b/Makefile
index adef222..4b77209 100644
--- a/Makefile
+++ b/Makefile
@@ -162,6 +162,9 @@ install:
 	mkdir -p /lib/firmware/rtlwifi
 	cp rtl8188eufw.bin /lib/firmware/rtlwifi/.
 
+modules_install:
+	$(MAKE) -C $(KSRC) M=$(shell pwd) modules_install
+
 uninstall:
 	rm -f $(MODDESTDIR)/8188eu.ko
 	/sbin/depmod -a ${KVER}
diff --git a/hal/usb_ops_linux.c b/hal/usb_ops_linux.c
index c89c067..166d85f 100644
--- a/hal/usb_ops_linux.c
+++ b/hal/usb_ops_linux.c
@@ -553,6 +553,7 @@ static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
 		case -ENODEV:
 		case -ESHUTDOWN:
 			RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bSurpriseRemoved=true\n"));
+			__attribute__((fallthrough));
 		case -ENOENT:
 			adapt->bDriverStopped = true;
 			RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bDriverStopped=true\n"));