diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 98ce9bcb0e15da4443ce08cd654576c2b235b69f..c85109d809caa4767ef2576c1947fcd877e432b7 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -948,7 +948,7 @@ p9_fd_create_unix(struct p9_client *client, const char *addr, char *args)
 
 	csocket = NULL;
 
-	if (strlen(addr) > UNIX_PATH_MAX) {
+	if (strlen(addr) >= UNIX_PATH_MAX) {
 		P9_EPRINTK(KERN_ERR, "p9_trans_unix: address too long: %s\n",
 			addr);
 		return -ENAMETOOLONG;