From 56eb61ff38dcc42ee47c9c85dda430f08861c888 Mon Sep 17 00:00:00 2001
From: Pietro Cerutti <gahr@gahr.ch>
Date: Thu, 2 May 2019 12:42:29 +0000
Subject: [PATCH] Fix crash when trying to collapse a limit not matching any
 messages

This is a follow-up of #1685
---
 index.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/index.c b/index.c
index 52206efbd..1ab37ae0e 100644
--- a/index.c
+++ b/index.c
@@ -254,6 +254,9 @@ static void collapse_all(struct Menu *menu, int toggle)
   else
     final = CUR_EMAIL->virtual;
 
+  if (final == -1)
+    return;
+
   base = Context->mailbox->emails[Context->mailbox->v2r[final]];
 
   /* Iterate all threads, perform collapse/uncollapse as needed */
-- 
2.40.0