From f599e467f3de219543cb6434314c1c5e0ce24f46 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Wed, 13 Jan 2021 17:51:59 +0100
Subject: [PATCH] Fix driverLess comparison

---
 walk.go | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/walk.go b/walk.go
index d416559..133b0b1 100644
--- a/walk.go
+++ b/walk.go
@@ -38,12 +38,18 @@ func walkNodeProps(n *drmtree.Node, f func(drm.AnyID, string, *drmtree.Property)
 }
 
 func driverLess(a *drmtree.Driver, b *drmtree.Driver) bool {
-	if a.Version.Less(&b.Version) {
-		return true
+	if a.Version != b.Version {
+		return a.Version.Less(&b.Version)
 	}
-	// Linux is the upstream
-	if b.Kernel.SysName == "Linux" && a.Kernel.SysName != "Linux" {
-		return true
+	if a.Kernel.SysName != b.Kernel.SysName {
+		// Linux is the upstream
+		if a.Kernel.SysName == "Linux" {
+			return false
+		}
+		if b.Kernel.SysName == "Linux" {
+			return true
+		}
+		return a.Kernel.SysName < b.Kernel.SysName
 	}
 	return version.Compare(a.Kernel.Release, b.Kernel.Release, "<")
 }
-- 
2.30.1