From: Michael Stapelberg <michael@stapelberg.de>
Date: Wed, 27 Jul 2011 11:30:12 +0000 (+0200)
Subject: i3-nagbar: correctly check for errors when connecting to X11
X-Git-Tag: 4.0~14^2~42
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=0d77ca9a3dcc4f2273b7c05be8e3fd6768e4700d;p=i3%2Fi3

i3-nagbar: correctly check for errors when connecting to X11
---

diff --git a/i3-nagbar/main.c b/i3-nagbar/main.c
index aba5ea14..d0d7e77a 100644
--- a/i3-nagbar/main.c
+++ b/i3-nagbar/main.c
@@ -260,8 +260,9 @@ int main(int argc, char *argv[]) {
     }
 
     int screens;
-    xcb_connection_t *conn = xcb_connect(NULL, &screens);
-    if (xcb_connection_has_error(conn))
+    xcb_connection_t *conn;
+    if ((conn = xcb_connect(NULL, &screens)) == NULL ||
+        xcb_connection_has_error(conn))
         die("Cannot open display\n");
 
     /* Place requests for the atoms we need as soon as possible */