From 9ec9edc40d4694dedfd7f00eb9106ce5ed133239 Mon Sep 17 00:00:00 2001
From: Scott Anderson <ascent12@hotmail.com>
Date: Mon, 2 Oct 2017 22:01:09 +1300
Subject: Check for fd failure properly

---
 backend/session/session.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/session/session.c b/backend/session/session.c
index 72eb6149..b73952fd 100644
--- a/backend/session/session.c
+++ b/backend/session/session.c
@@ -242,7 +242,7 @@ static size_t explicit_find_gpus(struct wlr_session *session,
 		}
 
 		ret[i] = open_if_kms(session, ptr);
-		if (ret[i] <= 0) {
+		if (ret[i] < 0) {
 			wlr_log(L_ERROR, "Unable to open %s as DRM device", ptr);
 		} else {
 			++i;
-- 
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