From e437e3cae10b730d3d8bb64e0b720064f39ca0b6 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 26 Jun 2017 17:31:14 -0400
Subject: [PATCH] xfree86: Fix off-by-one in X -configure

Signed-off-by: Adam Jackson <ajax@redhat.com>
---
diff --git a/hw/xfree86/common/xf86Config.c b/hw/xfree86/common/xf86Config.c
index df3ca50..3994805 100644
--- a/hw/xfree86/common/xf86Config.c
+++ b/hw/xfree86/common/xf86Config.c
@@ -545,11 +545,11 @@ driver_sort(const void *_l, const void *_r)
 	return strcmp(l, r);
 
     /* left is a fallback */
-    if (left >= 0)
+    if (left >= 0 && right < 0)
 	return 1;
 
     /* right is a fallback */
-    if (right >= 0)
+    if (right >= 0 && left > 0)
 	return -1;
 
     /* both are fallbacks, which is worse */
@@ -563,7 +563,6 @@ fixup_video_driver_list(const char **drivers)
 
     /* walk to the end of the list */
     for (end = drivers; *end && **end; end++);
-    end--;
 
     qsort(drivers, end - drivers, sizeof(const char *), driver_sort);
 }
-- 
2.13.0