From f21b6fe576b1068598d6c19fbbfd3f0659d5498d Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Fri, 17 May 2024 14:51:06 +0100
Subject: [PATCH] tablet: avoid null deref on an empty cursor set

fixes#6116
---
 src/protocols/Tablet.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/protocols/Tablet.cpp b/src/protocols/Tablet.cpp
index 7c54a116..54c55176 100644
--- a/src/protocols/Tablet.cpp
+++ b/src/protocols/Tablet.cpp
@@ -164,7 +164,7 @@ CTabletToolV2Resource::CTabletToolV2Resource(SP<CZwpTabletToolV2> resource_, SP<
         if (!g_pSeatManager->state.pointerFocusResource || g_pSeatManager->state.pointerFocusResource->client() != r->client())
             return;
 
-        g_pInputManager->processMouseRequest(CSeatManager::SSetCursorEvent{wlr_surface_from_resource(surf), {hot_x, hot_y}});
+        g_pInputManager->processMouseRequest(CSeatManager::SSetCursorEvent{surf ? wlr_surface_from_resource(surf) : nullptr, {hot_x, hot_y}});
     });
 }