enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/usb/gadget/function/f_rndis.c
..
..
@@ -428,7 +428,7 @@
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 		DBG(cdev, "RNDIS %s response error %d, %d/%d\n",
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 			ep->name, status,
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 			req->actual, req->length);
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-		/* FALLTHROUGH */
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+		fallthrough;
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 	case 0:
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 		if (ep != rndis->notify)
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 			break;