From 259ae2fcdebc8a081d4c08b8c38b20cab6ff41e2 Mon Sep 17 00:00:00 2001
From: Michal Sojka <michal.sojka@cvut.cz>
Date: Mon, 6 Aug 2018 12:59:46 +0200
Subject: [PATCH] Make error message more useful

---
 mt_keys.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mt_keys.c b/mt_keys.c
index eae093d..9b1dcad 100644
--- a/mt_keys.c
+++ b/mt_keys.c
@@ -102,7 +102,7 @@ int mt_keys_init(mt_keys_t *self, struct ev_loop *loop, int fd)
 {
     int ev = open("/dev/input/by-path/platform-gpio-keys-event", O_RDONLY);
     if (fd == -1) {
-        perror("open");
+        perror("/dev/input/by-path/platform-gpio-keys-event");
         return -1;
     }
 
-- 
2.39.2