From 5f9c7a21c71d8386ae7eb7b03bdfb9c58dbe1b19 Mon Sep 17 00:00:00 2001
From: okan <okan>
Date: Sun, 2 Feb 2014 16:13:50 +0000
Subject: Unlike free(3), XFree(3) can't be passed a NULL pointer.

---
 screen.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'screen.c')

diff --git a/screen.c b/screen.c
index 257afe3..fa90f96 100644
--- a/screen.c
+++ b/screen.c
@@ -65,7 +65,6 @@ screen_init(int which)
 
 	/* Deal with existing clients. */
 	XQueryTree(X_Dpy, sc->rootwin, &w0, &w1, &wins, &nwins);
-
 	for (i = 0; i < nwins; i++) {
 		XGetWindowAttributes(X_Dpy, wins[i], &winattr);
 		if (winattr.override_redirect ||
@@ -73,7 +72,8 @@ screen_init(int which)
 			continue;
 		(void)client_init(wins[i], sc, winattr.map_state != IsUnmapped);
 	}
-	XFree(wins);
+	if (wins)
+		XFree(wins);
 
 	screen_updatestackingorder(sc);
 
-- 
cgit 1.4.1