From 7cf8369411a3b9348f862bccaa4147b9aaf38e67 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Sun, 12 Jan 2020 00:19:39 +0100
Subject: vnc/devdraw: fix topnwindows() panic when images are not windows
 (thanks aiju)

see changeset 319be6cfe7ef
---
 sys/src/cmd/vnc/devdraw.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sys/src/cmd/vnc/devdraw.c b/sys/src/cmd/vnc/devdraw.c
index 48ec63e03..315de13a5 100644
--- a/sys/src/cmd/vnc/devdraw.c
+++ b/sys/src/cmd/vnc/devdraw.c
@@ -2029,13 +2029,13 @@ drawmesg(Client *client, void *av, int n)
 				free(lp);
 				nexterror();
 			}
-			for(j=0; j<nw; j++)
+			for(j=0; j<nw; j++){
 				lp[j] = drawimage(client, a+1+1+2+j*4);
-			if(lp[0]->layer == 0)
-				error("images are not windows");
-			for(j=1; j<nw; j++)
+				if(lp[j]->layer == 0)
+					error("images are not windows");
 				if(lp[j]->layer->screen != lp[0]->layer->screen)
 					error("images not on same screen");
+			}
 			if(a[1])
 				memltofrontn(lp, nw);
 			else
-- 
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