From 88277eb6c74051e209e575d7bd213a0f3c2bc9f8 Mon Sep 17 00:00:00 2001
From: sqweek <sqweek@gmail.com>
Date: Thu, 27 Sep 2007 23:46:50 +0800
Subject: [PATCH] Prevent crash when dragging window to the bottom of the
 column it's already in

---
 cmd/wmii/mouse.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/cmd/wmii/mouse.c b/cmd/wmii/mouse.c
index 7f7e57eb..dc97fb7c 100644
--- a/cmd/wmii/mouse.c
+++ b/cmd/wmii/mouse.c
@@ -289,8 +289,10 @@ horiz:
 					resize_frame(f->aprev, f->aprev->r);
 				}
 
-				detach_from_area(f);
-				attach_to_area(fw->ra, f);
+				if (fw->ra != f->area) {
+					detach_from_area(f);
+					attach_to_area(fw->ra, f);
+				}
 
 				if(f->aprev) {
 					f->aprev->r.max.y = fw->fr.min.y;