From 5db94c2bb0f900b4e6b4287764f49658535fb9d1 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 12 Apr 2017 09:13:50 +0200
Subject: log errno

---
 drmtest.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'drmtest.c')

diff --git a/drmtest.c b/drmtest.c
index 88c85be..70501a7 100644
--- a/drmtest.c
+++ b/drmtest.c
@@ -71,7 +71,8 @@ static void drm_init_dev(int devnr, const char *output,
     if (need_master) {
         rc = drmSetMaster(fd);
         if (rc < 0) {
-            fprintf(stderr, "drmSetMaster() failed, X11 running?\n");
+            fprintf(stderr, "drmSetMaster() failed: %s (X11 running?)\n",
+                    strerror(errno));
             exit(1);
         }
     }
-- 
cgit