fix possible segfault in chansrv if DISPLAY is not set

10 years ago · f59c925f8b
parent 9c5c0660b2
commit f59c925f8b
1 changed files with 3 additions and 1 deletions
--- a/sesman/chansrv/chansrv.c
+++ b/sesman/chansrv/chansrv.c
@ -1534,7 +1534,9 @@ main(int argc, char **argv)

    display_text = g_getenv("DISPLAY");
    LOGM((LOG_LEVEL_INFO, "main: DISPLAY env var set to %s", display_text));
-    get_display_num_from_display(display_text);
+
+    if (display_text)
+        get_display_num_from_display(display_text);

    if (g_display_num == 0)
    {