diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index ab9127e..305e478 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -273,7 +273,7 @@
 			}
 			break;
 		case 'R':{
-				int16_t *nwqid = va_arg(ap, int16_t *);
+				uint16_t *nwqid = va_arg(ap, uint16_t *);
 				struct p9_qid **wqids =
 				    va_arg(ap, struct p9_qid **);
 
@@ -448,7 +448,7 @@
 			}
 			break;
 		case 'U':{
-				int32_t count = va_arg(ap, int32_t);
+				uint32_t count = va_arg(ap, uint32_t);
 				const char __user *udata =
 						va_arg(ap, const void __user *);
 				errcode = p9pdu_writef(pdu, proto_version, "d",
@@ -479,7 +479,7 @@
 			}
 			break;
 		case 'R':{
-				int16_t nwqid = va_arg(ap, int);
+				uint16_t nwqid = va_arg(ap, int);
 				struct p9_qid *wqids =
 				    va_arg(ap, struct p9_qid *);