From 2d39e53ef3f003d9e2ee5f98593c44caca05ce2a Mon Sep 17 00:00:00 2001
From: Rastislav Barlik <barlik@users.noreply.github.com>
Date: Sat, 26 May 2018 22:55:14 +0100
Subject: [PATCH] Fix incwfact() error with maximized windows

When the window is maximized, calling incwfact() results in an error because `w` is nil, return instead.
---
 lib/awful/client.lua | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/awful/client.lua b/lib/awful/client.lua
index ea5457cb..21f06cc9 100644
--- a/lib/awful/client.lua
+++ b/lib/awful/client.lua
@@ -974,6 +974,8 @@ function client.incwfact(add, c)
 
     local t = c.screen.selected_tag
     local w = client.idx(c)
+    if not w then return end
+
     local data = t.windowfact or {}
     local colfact = data[w.col] or {}
     local curr = colfact[w.idx] or 1