From 83bd4fdac39727ec18c42a94cb0171d3965944aa Mon Sep 17 00:00:00 2001
From: X512 <danger_mail@list.ru>
Date: Mon, 11 May 2020 16:44:56 +0900
Subject: [PATCH] app_server: fix stack overflow crash if too many windows are
 tiled

Fixes #15796.

Change-Id: I24c29215116e6bad37f0a56e141d6fc26bbe4fb2
Reviewed-on: https://review.haiku-os.org/c/haiku/+/2680
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
---
 src/servers/app/decorator/TabDecorator.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/servers/app/decorator/TabDecorator.cpp b/src/servers/app/decorator/TabDecorator.cpp
index 2d6235a8db..99d61d7d76 100644
--- a/src/servers/app/decorator/TabDecorator.cpp
+++ b/src/servers/app/decorator/TabDecorator.cpp
@@ -439,6 +439,8 @@ TabDecorator::_DistributeTabSize(float delta)
 	}
 
 	float minus = ceilf(std::min(maxTabSize - secMaxTabSize, delta));
+	if (minus < 1.0)
+		return;
 	delta -= minus;
 	minus /= nTabsWithMaxSize;