[Bf-blender-cvs] [db338672707] blender-v2.82-release: Fix T71952, T70125: Blender Linux crash on startup with some tablets

[Brecht Van Lommel]

Commit: db338672707c32ad8fd4c85e4190bd2bc626a207
Author: Brecht Van Lommel
Date:   Thu Jan 16 16:03:11 2020 +0100
Branches: blender-v2.82-release
https://developer.blender.org/rBdb338672707c32ad8fd4c85e4190bd2bc626a207

Fix T71952, T70125: Blender Linux crash on startup with some tablets

It's not certain this fixes the issue since I can't reproduce the crash, but
the code was wrong in any case.

Thanks to Ray Molenkamp and Anonymous for finding this.

===================================================================

M	intern/ghost/intern/GHOST_SystemX11.cpp

===================================================================

diff --git a/intern/ghost/intern/GHOST_SystemX11.cpp b/intern/ghost/intern/GHOST_SystemX11.cpp
index 24a577a18c4..c50ff8e7426 100644
--- a/intern/ghost/intern/GHOST_SystemX11.cpp
+++ b/intern/ghost/intern/GHOST_SystemX11.cpp
@@ -2533,7 +2533,7 @@ void GHOST_SystemX11::refreshXInputDevices()
           XAnyClassPtr ici = device_info[i].inputclassinfo;
 
           if (ici != NULL) {
-            for (int j = 0; j < xtablet.Device->num_classes; ++j) {
+            for (int j = 0; j < device_info[i].num_classes; ++j) {
               if (ici->c_class == ValuatorClass) {
                 XValuatorInfo *xvi = (XValuatorInfo *)ici;
                 if (xvi->axes != NULL) {