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backend/drm: fix NULL dereference when unsetting cursor
This segfault happens on multi-GPU systems. Fixes https://github.com/swaywm/sway/issues/3717
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1 changed files with 2 additions and 3 deletions
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@ -720,9 +720,8 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
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}
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}
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struct gbm_bo *bo = plane->cursor_enabled ? plane->surf.back : NULL;
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struct gbm_bo *bo = plane->cursor_enabled ? plane->surf.back : NULL;
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if (bo && drm->parent) {
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if (drm->parent) {
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bo = copy_drm_surface_mgpu(&plane->mgpu_surf, bo);
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bo = copy_drm_surface_mgpu(&plane->mgpu_surf, plane->surf.back);
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}
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}
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if (bo) {
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if (bo) {
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