diff --git a/net/dummynet3/ip_dummynet3.c b/net/dummynet3/ip_dummynet3.c
--- a/net/dummynet3/ip_dummynet3.c
+++ b/net/dummynet3/ip_dummynet3.c
@@ -1642,7 +1642,7 @@
 	if (ioc_pipe->pipe_nr != 0 && ioc_pipe->fs.fs_nr != 0)
 		return EINVAL;
 
-	if (ioc_pipe->pipe_nr > DN_NR_HASH_MAX || ioc_pipe->pipe_nr < 0)
+	if (ioc_pipe->pipe_nr > DN_PIPE_NR_MAX || ioc_pipe->pipe_nr < 1)
 		return EINVAL;
 
 	error = EINVAL;