diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 55ce72ce98618bbc42e7310bb637275a3b80645c..d479d7dcc4d5208092fba5ff6b6df978af8a6640 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -151,7 +151,7 @@ struct p9_req_t {
 
 struct p9_client {
 	spinlock_t lock; /* protect client structure */
-	int msize;
+	unsigned int msize;
 	unsigned char proto_version;
 	struct p9_trans_module *trans_mod;
 	enum p9_trans_status status;
diff --git a/net/9p/client.c b/net/9p/client.c
index 0edee4de608a0f8b18be71491bb74940219193e5..b1c02187f862e2dd19bc1af0582dbce2a17e94c8 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -201,7 +201,8 @@ static int parse_opts(char *opts, struct p9_client *clnt)
  *
  */
 
-static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag, int max_size)
+static struct p9_req_t *
+p9_tag_alloc(struct p9_client *c, u16 tag, unsigned int max_size)
 {
 	unsigned long flags;
 	int row, col;