From 9cd970734b5f9f9c2b81e67b0da2a3acd07e1c9a Mon Sep 17 00:00:00 2001
From: Jacques Lucke <mail@jlucke.com>
Date: Mon, 25 Mar 2019 15:54:00 +0100
Subject: [PATCH] Fix T62536: incorrect context when selecting particles

Reviewers: brecht

Differential Revision: https://developer.blender.org/D4566
---
 release/scripts/startup/bl_operators/view3d.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/release/scripts/startup/bl_operators/view3d.py b/release/scripts/startup/bl_operators/view3d.py
index 2dd4b7457ed..50d2b49b529 100644
--- a/release/scripts/startup/bl_operators/view3d.py
+++ b/release/scripts/startup/bl_operators/view3d.py
@@ -233,7 +233,10 @@ class VIEW3D_OT_select_or_deselect_all(Operator):
         else:
             select_all = bpy.ops.object.select_all
 
-        return select_all('INVOKE_DEFAULT', True, action='DESELECT')
+        if select_all.poll():
+            return select_all('INVOKE_DEFAULT', True, action='DESELECT')
+        else:
+            return retval
 
 
 classes = (