[Bf-blender-cvs] [256a2d1e986] blender-v3.0-release: Fix T93508: Shift+F1 to switch to asset browser randomly crashes

[Julian Eisel]

Commit: 256a2d1e986ebd5ed9edb812f9e5b7dbb7ba5703
Author: Julian Eisel
Date:   Tue Nov 30 14:35:02 2021 +0100
Branches: blender-v3.0-release
https://developer.blender.org/rB256a2d1e986ebd5ed9edb812f9e5b7dbb7ba5703

Fix T93508: Shift+F1 to switch to asset browser randomly crashes

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

M	source/blender/editors/space_file/file_ops.c

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

diff --git a/source/blender/editors/space_file/file_ops.c b/source/blender/editors/space_file/file_ops.c
index ab11d5c0330..1abdaa542c2 100644
--- a/source/blender/editors/space_file/file_ops.c
+++ b/source/blender/editors/space_file/file_ops.c
@@ -1418,8 +1418,13 @@ int file_highlight_set(SpaceFile *sfile, ARegion *region, int mx, int my)
     return 0;
   }
 
-  numfiles = filelist_files_ensure(sfile->files);
   params = ED_fileselect_get_active_params(sfile);
+  /* In case #SpaceFile.browse_mode just changed, the area may be pending a refresh still, which is
+   * what creates the params for the current browse mode. See T93508. */
+  if (!params) {
+    return false;
+  }
+  numfiles = filelist_files_ensure(sfile->files);
 
   origfile = params->highlight_file;