From ab1d9adfd34b351190bb10805c4e6b5a5aecd5de Mon Sep 17 00:00:00 2001
From: Christian Gmeiner <christian.gmeiner@gmail.com>
Date: Wed, 24 Jan 2018 13:19:10 +0100
Subject: Print cause of a failed open(..) call

This is quite helpful for debugging.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
 src/evdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/evdev.c b/src/evdev.c
index cffed7f..3d7b6f0 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -2487,7 +2487,7 @@ EvdevOpenDevice(InputInfoPtr pInfo)
     }
 
     if (pInfo->fd < 0) {
-        xf86IDrvMsg(pInfo, X_ERROR, "Unable to open evdev device \"%s\".\n", device);
+        xf86IDrvMsg(pInfo, X_ERROR, "Unable to open evdev device \"%s\" (%s).\n", device, strerror(errno));
         return BadValue;
     }
 
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